Classify each expression as a polynomial or not a polynomial. 3x^2−5x^4+2x−12 x^5−5x^4+4x^3−3x^2+2x−1 x^−5−5x^−4+4x^−3^−3x^−2+2x^−1−1 4√x-3+4√x−8x+16 x^3+7x^2+9x−5x^4−20

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Given the median qr and trapezoid mnpo what is the value of x?