A negative number raised to an exponent is positive. Which of the following is not true?

A. The number could be even

B. The number could be odd

C. The exponent could be even

D. The exponent could be odd

Quadrilateral ABCD is a square. BC = 10 What is the length of AC? A. 10 sqrt 2 B. 20 sqrt 3 C. 10 sqrt 3 D. Sqrt 100

The Suarez family paid $16.50 for 3 movie tickets. How much would they have paid for 9 tickets?

0.09X+4=4.9 I need to solve the unknown

The length of a rectangle is 3 more than twice its width. the perimeter is 48 feet

How many acute angles does a triangle have?

A sequence is defined that the first term is 4 and each term after the first term is found by adding 4/5 to the preceding term. What is the 8th term of the sequence?

A scientist is investigating a cell. The cell has a membrane thickness of 7.*10-8 m and has a surface area of 4.*10-8. The initial concentration inside the cell is n (0) = 0.6 M, and the scientist later observes that an (0.2) = 0.77 M.

13[42 - (2+4) second power]

Which is bigger 5/8 or 0.58

What is nine more than a number divided by - 4 when it is less than or equal to - 2