What number should be added to the expression x2+4x to change it into a perfect square trinomial?

1

2

4

8

How do you write 20 in exponential form

Marc sold 516 tickets for the school play. Student tickets cost $3 and adult tickets cost $5. Marc's sales totaled $2046. How many adult tickets and how many student tickets did Marc sell? Select one: a. 272 adult, 244 student b.

What is 28/49 in the simplest form

Reducing fractions 5 to 30

2. The formula M=log I/S determines the magnitude of an earthquake, where I is the intensity of the earthquake and S is the intensity of a "standard earthquake.

If you draw a card from a regular deck of 52 cards, what are the chances that your card would be red? A heart? A queen? The queen of hearts?

What the best representation of 7/15

Which is greater 1/2or 3/8?

Write each mixed as a decimal. a) 1 3/4 b) 2 13/20

leonardo recorded his speed while skateboarding and determined he was traveling 18 feet per second. how many feet could he travel in one minute