If x^4=y, then x is the fourth root of y. explain how to estimate the fourth root of 30. find the fourth root of 30 to the nearest whole number. (this is urgent plz )

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work