Simplify the expression and find its value: (2x+0.5) ^2 - (2x-0.5) ^2 for x=-3.5

Simplified expression is

. For x = - 3.5, the value of the expression is

.

A 400 foot long fence has posts that are placed 8 feet on center. that is the distance between the centers of two adjacent posts is 8 feet. if the fence begins and ends with a post, how many posts are needed for the fence?

What is the missing term in the geometric sequence? -6,24,?,384,-1536 A. - 144 B. - 96 C. - 204 D. - 72

1250 is deposited in an account that pays 6.5% annual interst compounded continuosly. what is the balance after 8years?

562 x 6 rounded to greatest place value

What greek geometer named a theorem after him?

Solve  ABC given  C = 90, a = 88 cm, and c = 117 cm.

Julia, a 2-year-old girl, looks at her mother for cues when she is offered a toy by a neighbor, in order to decide whether to take it or not.

27 mm converted to in

How do you solve the equation n over 3 - 8 = - 2

0.54 0.378 0.54 divided by 0.378