What is the answer i'm so stuck this is so hard for dumb people like me

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

In priyas math class there are 10 boys and 15 girls. what is the ratio of boys to girls in priyas math class? express your answer as a decimal

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)