the temperature outside dropped 13 f in 6 hours. the final temperature was - 4 f. what was the starting temperature?

Solve for y: 3x - y = 9

Are the equations - 2x=10 and - 5x=25 equivalent

Kevin has 20 words to learn for his spelling test on Friday. He has learned 6 words. So) he has learned 6/20 of the words. Write 6/20 in simplest form) and find an equivalent decimal

The foot and the mile are examples of measures in this unit system.

Knowing that a 6.2% Social Security tax is applied to a maximum wage of $106,800, the maximum amount of Social Security tax that could ever be charged in a single year is:

Travis has a total of $60 in dimes and quarters. If he could switch the numbers of dimes with the number of quarters, he would have $87. How many of each coin dose he have?

Three friends split their lunch check, witch was $32.85 how much did each person have to pay if each one included a $2 tip?

What is 9/4 x 11/5?

What is the general form of the quadratic function?

Is y = 1/2x + 10 a linear function?