Hat value is needed to fill in the blank to make this trinomial a perfect square trinomial. 4x2 + __x + 81?

The 4 arithemetic means between - 2 and 23

Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple?

Ella has 50 stacks of ten pennies in each stack. Describe how to find how many pennies Ella has in all.

Ramon bikes every afternoon. He travels 4 1/4 miles in 1/4 hour. At what rate dies Ramon ride his bike in miles per hour

A runner has a track lap of one minute while at a run, five minutes while at a jog, 7 minutes while at a walk. If 2/5 of the lap is paced at a run, 1/2 at a jog and 1/10 at a walk what is the total track lap time of the runner.

Evaluate 2X^4+2x-17 for x=-3 a. 139 b. 173 c. 185 d. - 173

in a department store a 50$ dress is marked, saved 25% what is the discount what is the sale price of the dress

Cual es el termino, coeficiente, constante y el factor de las siguientes expresiones a. 12a^3 + 16a + 4 b. 21x^2 + 3x - 15x^2 + 9

dentify the type of sampling used. Thirty-five math majors, 52 music majors and 67 history majors are randomly selected from 444 math majors, 381 music majors and 414 history majors at the state university. What sampling technique is used?

each year erin earns a $1700 winter bonus. if erin earned $84500 last year, how many dies erin makes in a month