If 70=18x-4+9x-2 what's the value of x

How do you find principle and simple interest

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.