in the crop-lien system that developed after the civil war, both farmers and landowners promised to pay for goods with future earnings. paid for goods with cash from crop sales. paid for goods by trading crops for goods. promised to pay for goods by selling their land.

Vera is on her school's track and field team. in a practice long-jump competition against her teammates, she gets 5 points for landing over the farther line. she gets a total of 7 jumps and lands x times over the farther line and the rest of the times over the closer line. which of the following functions represents vera's total score? a. f(x)=10x b. f(x)=5x+35 c. f(x)=10x+5 d. f(x)=70-5x

During a load test, a battery's voltage drops below a specified value. what action should the technician take?

The difference between the observed value and the mean of the set of values is a