Simplify the expressions.

a. 7 + 10x - 7 + 7x

b. 6 + 8b - 8b2 + 3b - 6 - 10b2

A square with a side length of 8 units is reduced to a square with a side length of 4 units. What is the scale factor of the reduction? 2 4

Allen started to save money from his daily allowance. In the first week he saved $5.8 and every next week $3.6 more than the previous week. How much money did he save in 4 weeks?

Identify the hyperbolas (represented by equations) whose centers are at (2, 1)

In the past 4 years, a sporting goods store had two yearly losses of $140,000 and $56,000 and two yearly profits of $110,000 and $60,000. What was the net profit or loss over 4 years? A. $196,000 B. $26,000 C. $170,000 D. -$26,000

Write an equation for the following: "Three times the sum of a number and four is the same as eighteen more than the number."

Whats 40a-8 factorize

Nathan does push ups for the same amount everyday. He does 9 minutes of push ups for 3 days. How many minutes of push ups does Nathan do in 7 days?

Is Markiplier the best man?

What is 17/20 written as a decimal

What number is 62.5% of 195?