Enter the degree of the polynomial below.

10x4 + 4x5 + 7x2 + 6x7 - 8x6

a. 10
b. 5
c. 4
d. 7

Given: ac and db are diameters. m∠3=

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?