3a + b = 225

b = a - 15

October 12, the JRG Corporation closed at $54.38. On October 11 the stock closed at $5.65. What was the net change as a percentage?

which is the sum of 3.15 x 10 to the 7th power + 9.3 * 10 to the 6 power write your answer in scientific notation

Juan goes to the bowling alley every three weeks Percy goes to the bowling alley every five weeks if Juan and Percy meet the first time they go bowling how many weeks will it be before they see each other at the bowling alley again

What do birds such as eagles and hawks need energy for? A) flying B) breathing C) digesting food D) all of the above

Show, using polynomial long division, that: (2x^2+x-14) / (2x-5)

Eric buys new clothes for school. He has 3 pairs of pants, 4 shirts, and 2 pairs of shoes. How many different outfits does he have?

What are the x - and y-intercepts of the following equation? - 2x + 8y = 8

Give a verbal description of the subset of real numbers represented by the interval X is greater than five

Add write the doubles fact you used to solve the problem. 7 + 8 =

Is 1.32 a rational number or integer