F(x)=a^x, which of the following expressions is equal to [f(1)]^2

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start