This is supposed to be a Mathematics Advanced calculus exam and this is supposed to be done during the test.. seems unfair and impossible

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis

Carlos by 24 mi and ran 6 miles what is the ratio of the distance carlos ran to the distance he biked