From Questions to Solutions

Which expression is equivalent to [tex]30\left(\frac{1}{2}x - 2\right) + 40\left(\frac{3}{4}y - 4\right)[/tex]? A. [tex]45xy - 220[/tex] B. [tex]15x - 30y - 220[/tex] C. [tex]15x + 30y - 220[/tex] D. [tex]15x

On a number line, the surface of a river is marked at -220 feet and the top of a building is marked at +19 feet, where 0 represents sea level.

The sides of a triangle measure 14.9 centimeters, 23.8 centimeters, and 36.9 centimeters. Find the measure of the angle with the least measure.

What is the range of this data set? \{36.6, 39.8, 33.3, 34.8, 38.5, 39.6, 36.7, 36.9, 37.5, 32.2, 33.1, 33.3\} Enter your answer as a decimal in the box.

Cut a 2-yard spool into 5 equal lengths of ribbon. How long is each piece of ribbon?

Find the median for the following:(i) 72, 76, 64, 80, 68, 61, 85, 91, 62, 82(ii) 58, 54, 21, 51, 59, 46, 65, 31, 68, 41, 36(iii) 28.8, 20.6, 39.3,

Convert the following Kelvin temperatures to the Celsius and Fahrenheit scales. (A) The midday temperature at the surface of the moon: [tex]400 \, \text{K}[/tex]. Convert to Celsius and Fahrenheit.

A 45.5 g sample of copper at 99.8 °C was dropped into a beaker containing 152 g of water at 18.5 °C. What was the final temperature when thermal equilibrium

Would the distance from the Sun to the next closest star be more or less than 39.4 Astronomical Units? Why or why not?

A manager at SUBWAY wants to find the total cost of 24.8 pounds of sliced turkey at $1.89 per pound and 38.2 pounds of provolone cheese at $2.05 per pound.

A machine gun, with a mass of 39.4 kg, fires 11.4-gram bullets at a velocity of 764 m/s. The gun fires at a rate of 399 rounds per minute. What

Convert [tex]$38.2 \frac{g \cdot dm}{hr}$[/tex] to [tex]$\frac{kg \cdot m}{s}$[/tex].

Mia has a spool of ribbon that is 30.5 yards long. She will cut the ribbon into 5 equal pieces to make bows. What is the length of each piece

Use a proportion to solve the problem. On a map, the length of a nature-center trail is 9.7 centimeters. If the scale is 3 centimeters to 11 kilometers, what is

At what temperature do the following pairs of scales read the same, if ever? (a) Fahrenheit and Celsius (b) Fahrenheit and Kelvin (c) Celsius and Kelvin