Which is not an equation of the line going through (6,7) and (2,-1)? y+1=2(x-2)

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)