Which of the following are the factors of t4 - 81?

Suzy and Johnny can paint a fence together in 4 hours. Johnny can paint the same fence by himself in 7 hours. How long (In hours) will it take Suzy to paint the same fence by herself? Round to the nearest tenth.

Simplify the following: (10x - 5) - (7x + 3) In order to type your answer in you must do just like you do with a graphing calculator: -no spaces between factors and operations; -don't use * for multiplication, For example: 4x-7y

A post is driven into the ground. the first strike drives the post 30 inches into the ground. The next strikes drives the post 27 more inches into the ground. assume these distances from a geometric sequence.

How can I answer "write a problem that can be solved by acting it out and with using reasoning?"

Marcus randomly draws tokens from a bag containing 10 blue tokens, 8 green tokens, and 12 red tokens. The first draw is a green token. What is the probability of this event? A. 4/11 B. 4/15 C. 1/2 D. 1/3

Singh works at a restaurant where he is paid by the hour plus time-and-a-half for his hours over 40. Last week he worked 3 hours overtime and his gross pay was $380.48. What is his hourly wage?

A researcher wishes to determine the average amount of money a student at UH spends on lunch. To accomplish this, he asks the first 100 students leaving the Student Center after 12:00 noon how much they had just spent on lunch.

What is the solution to the equation 13.7y - 10.6 = 6.2y + 19.4? y = 0.04 y = 0.4 y = 4 y = 40

it is considered a premium game on the Red Sox or the Yankees come to Texas to play the Rangers. Admission for one of these games for three adults and three children under 14 is $75, while admission for two adults and four children is $62.

Solve each absolute value equation l6ml=42