In δabc, bc = 4 centimeters, m∠b = m∠c, and m∠a = 20°. what is ac to two decimal places?
a. 9.32 centimeters
b. 10.01 centimeters
c. 11.52 centimeters
d. 12.09 centimeters

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

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

Secant be and cf intersect at point d inside a what is the measure of cde