7r - 8r

how to combine like terms

Find the length of the side of a triangle. Side a = 4 cm, and side b = 9 cm. The perimeter is 19 cm. Use P = a + b + c.

A cylindrical package with half a hemisphere to be sent by a postal service can have a maximum combined length (height of the cylinder) and girth (perimeter of a cross section of the cylinder) of 108 inches.

Which statements are true about the circle shown below? Select three options. A circle with diameter 8 centimeters.

After 5 years, a $2,450 investment is worth $3,123.75 What is the simple annual interest rate for this investment?

A laptop originally cost 2000 is on sale for 55% off

In 2012, Red Rose tea randomly began placing 1 of 12 English porcelain miniature figurines in a l00-bag box of the tea, selecting from 12 nautical figurines.

Aria drank 500 millimeters of water after her run. Her best friend, Andrea drank 0.75 liter of water. Who drank more

1. It takes Planet Netflix 24 hours to complete a full rotation. It takes Planet Hulu approximately 72 days, 16 hours, and 30 minutes to complete a full rotation.

What is the slope of a line perpendicular to the line 2x+4y=9?

Use the distributive property to solve 9 (4+12)