On wednesday , william wrote a check in the amount of $45.60 . this brought his balance down to -$15.75. suppose n represents williams balance before he wrote the check .

which equation can be used to represent this situation ?

a) n + 15.75= -45.60
b) n - 15.75= 45.60
c) n + 45.60= -15.75
d) n - 45.60= - 15.75

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?