what is the answer to the equation 4n^2-16n-21-44

Mark needs 40 feet of fencing to do two sides of his back yard. The fencing he wants is sold in sections of 5 1/2 foot lengths. How many sections will Mark need to have enough to fence the two sides?

Consider the expression below. 8+n Which situations does the expression model? Answer Choices Levi painted n drawings for the art show. Rachel painted 8 fewer than Levi. Barry read n books over the summer. Frank read 8 more than Barry.

Order the numbers from greatest to least 25%,0.33, 15 1/2%, 3.14,

Use the formula to evaluate the series - 3+6-12+24 - ... - a7

Write the expression as an exponent: 16·32

S=1+2. t o instante que passa pela origem s=0

A rectangle has a length of 10 3/16 inches and a width of 6 7/8 inches. What is the perimeter of the rectangle?

Jalissa bought a backpack for $30 and n notebooks for $2.50 each.

Solve the inequality. 2>8-43h

A gardener at Blair's Arboretum is making displays of roses with 192 red 120 yellow and 168 pink roses to choose from if she wants to use all of the flowers in the displays need to be identical what is the greatest number of displays she can create