Write the equivalent equation: 10^(8+5) =

a. 10^8+10^5

b. 10^8 ∗ 10^5

c. 10^8−10^5

d. 8^10 − 8^5

Classify each polynomial by its degree and by its number of terms.

Don't know how to find x given these segment lengths

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%