Can you help me find the values of y and z?

Which expression is equivalent to? assume x > 0 and y > 0.

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Urgent? will give brainliest given that the blue triangle is a right triangle, which expression correctly gives the area of the red square? a) a2 + b2 b) a2 - b2 c) a2 - c2 d) c2 - a2