What is the equation of the function shown in the graph, given that the equation of the parent function is f(x)=(1/7)^x ?

a. g(x)=(1/7)^x−3

b. g(x)=(1/7)^x−2

c. g(x)=(1/7)^x−4

d. g(x)=(1/7)^x+3

Solve 2x+y=3 x+y=5 in substitution method

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of