4 (x-5) = 4x-20

solve this equation, and how many solutions are there?

A speedboat holds 12 adults and 6 children. How many people in all can go in 4 speedboat rides?

Obama wants to buy a college textbook for his history class. The book is discounted 10%. He also recieves a 5% student discount after the discounted price. If the book originally costs 120 dollars what is the final prize Obama has to pay? A) $17.

Koby can work about 22 math problems in 30 minutes. At this rate, how many math problems can Koby work in 3 hours

You roll a 6 sided die. what is p (roll less than 4)

Write the following numbers in order from least to greatest. 25,000cm; 3.2x10^-4km; 6.08e 3km; 5million meters

Find the find the sixth term of the sequence which has a first term of 5 and has a common ratio of 4.2

Simplify: 3x (-11x + 1) A) - 33x2 + 3x B) - 33x2 + 1 C) - 33x + 1 D) - 30x

What is eight worth in 8.517

Christy drove 270 miles in 6 hours at a constant speed how long would it take her to drive 405 miles at the same speed?

A sporting goods store pays 180 for a rubber raft. the percent of markup is 55 percent. find the rafts selling price A) $327.27 B) $81 C) $99 D) $279