Which of expression represents 76 decreased by an unknown number?

a. 76 divided by g
b. 76 minus g
c. 76 plus g
d. 76 g

Sienna planned a trapezoid-shaped garden, as shown in the drawing below. she decides to change the length of the top of the trapezoid-shaped garden from 32 ft to 24 ft. which expression finds the change in the scale factor?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1