A model plane has a scale factor of 1:25. If the wingspan of the model is 32 inches, what is the actual wingspan in feet?

Trish receives $450 on the first of each month. josh receives $450 on the last day of each month. both trish and josh will receive payments for next four years. at a discount rate of 9.5 percent, what is the difference in the present value of these two sets of payments?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250