What is the rate of change of the function y = 7/4x+1?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

How much would it be worth in 5, 10, 20 years

In the figure below, segment ac is congruent to segment ab: which statement is used to prove that angle abd is congruent to angle acd? a.)triangle acd is similar to triangle abd. b.)triangle acd is congruent to triangle abd. c.)segment a.d. is congruent to segment ac. d.)segment a.d. is congruent to segment dc.