Which are the solutions to the quadratic equation 4x^2=64? a. x=-16 and x=16 b. x=-8 and x=8 c. x=-4 and x=4 d. x=-2 and x=2

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?