Simplify the expression twenty-one minus seven times two plus nine. show your work. then, show how the solution is affected if addition and subtraction are not applied from left to right.

AB is tangent to O. If AO=12 and BC=25 what is AB? The diagram is not to scale.

A lawn service charges 28 dollars per lawn. If the lawn service earns 252 dollars in a day, write an equation to represent the number of lawns the company serviced.

Find two ratios equivalent to the ratio in exercise 1

1. Which of the following could be the angle measure of a triangle a) 55, 55, 90 b) 24, 48, 108 c) 23, 60, 83 d) 50, 57, 73

Which is a graph for the inequality x ≤ 2? VHS_ALG_S1_05_L201_L301_LQ4a. gif VHS_ALG_S1_05_L201_L301_LQ4d. gif VHS_ALG_S1_05_L201_L301_LQ4c. gif VHS_ALG_S1_05_L201_L301_LQ4b. gif

18x-16y=-312 78x-16y=408

How to estimate 5.4 x 0.1

the weight of a full steel bead tire is approximately 800 grams, while a fighter wheel weighs only 700 grams. what is the weight of each tire in pounds?

What is the name of the number with a million zeros and a 1 in front

Jia Inc., has an odd dividend policy. The company has just paid a dividend of $4 per share and has announced that it will increase the dividend by $5 per share for each of the next four years, and then never pay another dividend.