Christina has 14 pairs of earrings. She is receiving 72 times as many pairs as she already has. Once she gets the new earrings, how many total pairs of earrings will she have?

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?

What is the minimum value of P=24x + 30y given the constraints

The cylinder shown has a volume of 54π cm3. In a similar cylinder, the dimensions have been doubled. What is the ratio of the volumes (small to large) ?

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]