A factory requires 84 machines to produce a given number of articles in 32 days. How many machines would be required to produce the same number of articles in 21 days?

Where does - 7/9 go on a number line

Solve the system by substitution x=3/8y-1 16x-5y=-12

What is 2/5 times 10?

Factor 35x + 28y im stuck on this and cannot get the answer

mike is a parking meter attendant. whenever he approaches a parked car at a meter, there is a 29% chances that the meter has expired.

A market research group is interested in comparing the mean weight loss for two different popular diets. The researcher chooses two random samples of participants for the two diet programs.

How many 4 1 2 inch strips can be made from 45 inches of shipping tape?

B. has 15 marbles and he got 123 more marbles add those two numbers and see what the number rounds to.

In a entertainment programme, 250 tickets Rs. 400 and 500 tickets of Rs. 100 were sold. If the entertainment tax is 40% on ticket of Rs. 400 and 20% on ticket of Rs. 100, find how much entertainment tax was collected from the programme.

A babysitters earnings e are a function of the number of hours n worked at a rate of 7.25 per hour