84 is the product of Donnie's savings and 7
use the variable d to represent Donnie's savings

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

Which of these side lengths could form a triangle a) 2 cm , 2 cm , 4 cm b) 3 cm , 5 cm , 10 cm c) 3 cm , 4 cm , 5 cm d) 4 cm , 8 cm , 15 cm