A pound of mangoes cost $4, and a pound of grapes cost $3. You spend a total of $21 on two these fruits. If you buy 3 pounds of mangoes, how many pounds of grapes did you buy?

Claire is cutting a square out of a bigger square for an art project. She cuts out a square with an area of 9 cm2. The leftover area is 16 cm2.

A relay race is over 1 1/2 kilometers, and each runner on a team will run 1/4 of a kilometer. How many runners are needed for a team?

a television and DVD player cost a total of 976. The cost of the television is three times the cost of the DVD player. Find the cost of each item

Cindy has three cats and they live to jump in and out of their cat foot. Yesterday the cat door was used 109 time by her cats. Sammy used it for 1/4 of the times and tomy used it for 3/10 of the time. how many times did Suzuki use the cat door?.

Factor 9x² + 25 over the set of complex numbers

A rate for $18 for three books

Victoria's university English teacher Mr. McTuffie has told her she will have 27 assignments this semester. Victoria has discovered that she needs to spend 3.

What is the gcd of 7,28

F (x) = x^2+4 solve using the quadratic formula

Round 28.33 the the nearest hundredth