Triangle PQR is isosceles with PQ = PR. A semi-circle with diameter [PR] is drawn which cuts [QR] at X.
Prove that X is the midpoint of [QR).

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125

Write the expression 7x^3-28xy^2 as the product of 3 factors

Need this at the city museum, child admission is 6 and adult admission is 9.20. on tuesday, 132 tickets were sold for a total sales of 961.60. how many adult tickets were sold that day?