Solve using double substitution

y=x-7

y=-2x+8

An ant can carry roughly 38 milligrams of weight. If there are 92 ants gathered, which is a good estimate of the total amount of weight they can carry together?

What decimal is equal to 6/25

Jane paid $40 an item after she recieved a 20% discount. Jane's friend says this means that the original price of the item was $48. How do you think Jane's freind arrived at this amount? Is her friend correct? Why or why not?

3x-8y=24 -12x+32y=96

For 4 h, the temperature in Victoria fell by 2°C each hour. What was the total change in temperature?

When you buy a dozen bagels for $2.39, you get an additional bagel free. What is your cost per bagel?

London purchased 4 3/4 pints of ice cream for a party. If each guest will be served exactly 2/3 pint of ice cream, what is the greatest number of guests that London can serve?

If A = (4,-5) and B = (7,-9), what is the length of AB? A. 5 units b. 6 units c. 7 units d. 8 units

The sum of 9 times a number and 5 equals 2

A tennis player hits a serve that cannot be returned 45% of the time out of 300 serves, how many can the tennis player predict will not be returned.