∠e and ∠f are vertical angles with m∠e=8x+8 and m∠f=2x+38 . what is the value of x? enter your answer in the box.

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.