Sam makes $15 for every lawn that he mows. He makes an additional $16 each day because his
neighbor always gives him a tip. If Sam mows 9 lawns
today, how much does he make? Write and evaluate
an expression. Show your work.

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

Identify the number as a rational or irrational.explain. 127

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%