2a( 3a + b)- 3a(2a+4b)
​

15 points! write the slope-intercept form of the equation of the line through the given point with the given slope. use y-y = m(x-x) to solve. through (2,5) slope= undefined

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?