jennifer scored 75 on her quiz last week. this week she scored 90. what was the percent of increase on the quiz score?

Find an equation for the linear function which has slope -10 and x-intercept -7

Sally deposited money into a savings account paying 4% simple interest per year. the first year, she earn $75 in interest. how much interest will she earn during the following year?

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.