Say a hi and get 100 points

Who can you think of that has an a in their first name and a b in their last name?

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

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force