(6.03)
how many variable terms are in the expression 3x^3y + 5xz − 4y + x − z + 9? (input a numeric value only.) (3 points)

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

The larger of two number is 4 less than twice the smaller number. the sum is 41. find the numbers