A fair coin is tossed 4 times. find the probability of obtaining exactly 2 heads

Which ratio correctly compares 12 yd to 20 ft, when the lengths are written using the same units? Note: 3 ft = 1 yd 9 : 5 5 : 9 3 : 5 5 : 3

Simplify 3^-6 * (3^4 : 3^0) ^2

If socks sell at $3.99 per pair or 5 pairs for $15.50, how much is saved, to the nearest $0.01, on each pair by buying them 5 at a time?

Rewrite 4x4x4 using an exponent.

What is the rate of change of the function shown on the graph? Round to the nearest tenth. 2.00 2.50 5.25 10.50

What is a HR diagram? a diagram showing the layers of a star a diagram showing where stars can be found a graph used to study stars a graph of a stars changing shape

If x - 5 and y = - 8, evaluate the expression 4x2 - 7y2

1. What is the value of x in the equation - 6 + x = - 2? A. 4 B. - 8 C. 8 D. - 4 2. How many solutions does the equation - 3a + 3a + 6 = 7 have? A. Infinitely many B. Two C. One D. None 3. What is the solution to the equation 1.2m - 0.8 = - 2.0m? A.

the sum of two numbers is 100. the sum of 8 and the larger number is equal to 5 times the smaller number. What is the smaller number

Franco is making fresh lemonade each pitcher uses 11/6 of a cup of sugar if franco wants to make 5 pitchers of lemonade how many cups of sugar does he need?