Malissas family is driving out of state to her grandmothers house they know it takes 20 gallons of gas to get there in a cup and the cost of the gallons of gasoline is 1050 how much does a family budget to make one way trip

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Why is causation so much more difficult to prove than correlation?

Th perimeter of a rectangular garden is 150 feet. the length is 50 feet longer than the width, w. which equation could be used to calculate the width of the garden? a.) 2w+ 2(w-50) =150 b.) 2w+50 + 2w =150 c.) 2(w+50) + w =150 d.) 2w+ 2(w + 50) = 150 need asap. will give brainliest !