How can you tell that a fraction is a unit fraction?

Five years ago, Rhea put $20,000 into savings. Now it's worth $30,000. Which of the following statements is true for this situation? The present value of $30,000 is $20,000. The future value of $30,000 is $20,000.

Eight over r+6 cross multiplied 2 over 4

Solve the equation 9r - 2 = 16 for r. A) 1 B) 2 C) 4 D) 6

Darrien is making a solid figure out of folded paper. His solid figure has six congruent faces that are all squares. What solid figure did Darrien make?

Juan reads a book with 368 pages. savannah reads a book with 172 fewer pages than juan's book. how many pages are in the book savannah reads?

jellybeans cost $0.80 per pound. Howard buys 4.5 pound of jellybeans for himself and 1 pound for his friend. What is the total cost of the jellybeans Howard buys. Show work.

Type the equation that shows the pattern among this set of ordered pairs (2,4) (3,8) (4,12) (5,16)

What is the answer to this6 (2+4y) =

find the values os a and b so that the polynomial x3+10x2+ax+b is exactly divisible by (x-1) and (x+2)

You do 4 loads of laundry each week at a launderette where each load costs$1.25. You could buy a washing machine that costs $400. Washing 4 loads at home will cost about $1 per week for electricity.