The area of a rectangle is x^2-3x-54 find the perimeter a. x^4-6
b. 2x-3
c. x^2+3
d. 4x-6

Twelve less than a number is at most 20

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

Which expression and diagram represent “renee biked four times as far this month as last month”?