Which expression is equivalent to 7k+13-4k+10+5k-6?
a. 35k
b. 8k-3
c. 8k+17
d. 16k+29

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

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%

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250