Can someone help asap
8th grade math

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

Find the distance between (7,-6) and (-3,-9)

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.