If y varies inversely as x and as the square of z and y = 25/9 when x =5 and z = 1 find y when x = 1 and z =4

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

The coordinate grid shows a pentagon. the pentagon is translated 3 units to the right and 5 units up to create a new pentagon. what is the rule for the location of the new pentagon?