If tashi scores an 85, 87, and 89 on his first three tests, what must he score on his fourth test so that the average of the four test scores is exactly 90?

If the diagonals of a quadrilateral bisect each other, then the quadrilateral is a parallelogram. ture false

Tom gave a 10 bill for a 3.49 book how much change should he get back

Cost to store: $65 Markup:25% Selling price:?

What is the area of a triangle whose vertices are R (-4,2) R ( - 4, 2), S (1,2) S (1, 2), and T (-5,-4)

suppose that the current canadian dollar to US dollar exchange rate is 0.80 CAD = $1 US and that the U. S. dollar price of an Apple iphone is $320 what is the Candian dollar price of iphone?

Tabitha's hiking distance in july was 2/5 miles she wrote the distance of 2.02 miles what error did she make?

Solve Y/5.6 = 12 for y

How to reduce 3/63 to its simplest form

Find the next three term sequence 2,8,32,128

Given that x and y are real numbers, find the value of x and y if (x+y) + (x-y) i=7+3i