Which polynomial cannot be solved using the quadratic formula?

A. X^2-2x-5 = 0

B. X^5-2x^3 = 0

C. X^2 + 2x-5 = 0

D. X^2 + 2x + 5 = 0

Find the sum of the summation of 3 i minus 15, from i equals 2 to 7.

Mario walked at 3.9 miles per hour for 0.72 hours how far did she walk

3ln3-ln9 in single logarithmic form

Determine if the data is biased or not biased: A phone-in survey is taken by a radio station to see how many listeners enjoy jazz in the morning.

How many times does eight going to 91?

Which graph represents the compound inequality? n=4

How many times does a dragonfly's wing beat per minute

How to solve 2x-5+3a-5x+10a for combining like terms

Sixty people are invited to a party. There are 24 cup in a package and 18 napkins in a package. What is the least number of packages of cups and napkins that can be bought if each party guest get one cup and one napkin?

17 heartbeats in 15 seconds as a unit rate