Karen makes $5 per hour baby-sitting and $12 per hour giving music lessons. one weekend, she worked a total of 18 hours and made $139. how many hours did she spend baby-sitting?

In a survey, 600 adults in a certain country were asked how many hours they worked in the previous week. Based on the results, a 95% confidence interval for mean number of hours worked was lower bound: 41.5 and upper bound: 45.6.

Evaluate Each Expression. (Show Your Work.) 1. 8^2 2. 3^4 3. 5^3 (Y'all delete my question because it more then 3 questions but ignore the trolls until we get a hold of someone after reporting ... nice.)

Find the values of x that makes (x^2+3x-54) / (x^2-16) undefined. - 6

How do i turn 8 2/5 to an improper fraction?

What can readers best infer about Blackfeet culture from this excerpt? O O O O how sickness was cured what people gathered to eat how people farmed the land what religious beliefs people held

Find the distance between (3,4) and (4,-6). If necessary, round to the nearest tenth. A. 10 units B. 101 units C. 7.3 units D. 53 units

MR. and ms Dorsey and their 3 children are flying to springfield. the cost of each ticket is $179. Estimate how much the tickets will cost. then find the exact cost of the tickets.

Is the pattern 2,3,5,8,12 arithmetic explain

On tuesday, San and liz each bought 1/4 pound of donuts each day. Three other customers bought 1/2 pound of donuts each. How many pounds did the customers buy in all?

What is the value, after 7 years, of a Ford Mustang that originally costs $25000.00 if it depreciates at a rate of 8% per year? Round your answer to the nearest dollar.