Solve the following quadratic equations using completing the square x2 + 10x + 55 = 0

A rectangle has a height of 13 centimeters. The area of the rectangle is 214.5 centimeters squared. Jim said the base equals 201.5 centimeters and Saul said the base equal 16.5 centimeters. Who is correct?

Which statements describe a parallelogram that must be a rhombus? parallelogram with four congruent sides parallelogram with opposite sides parallel parallelogram with four congruent angles parallelogram with diagonal that bisects an angle

What is the answer to a situation that could be modeled with the ratio 4 to 1

Divide - 5 5/8 divied by 5 A) - 1 1/8 B) - 5/8 C) 5/8 D) 1 1/8

Simplify (A u B u C) n (A n B') n C'

What is the length of ef and the measure of d?

If the sum of the measure of two angles is 180º, which condition must be true?

The management of a chain of frozen yogurt stores believes that t days after the end of an advertising campaign, the rate at which the volume V (in dollars) of sales is changing is approximated by V ' (t) = - 26400 e - 0.49 t.

Adam worked 8 hours on Monday, 41⁄4 hours on Tuesday, 61⁄8 hours on Wednesday, 71⁄4 hours on Thursday, and 81⁄8 hours on Friday. Calculate the total number of hours Adam worked for the week. A. 323⁄4 B. 331⁄8 C. 333⁄4 D. 35

How do you do 3x+8-x=20?