12. What's the simplified form of x - 1 + 4 + 7x - 3?

A. 6x

B. 8x

C. 8x + 6

D. 6x + 3

19. Simplify and solve this equation: 4m + 9 + 5m - 12 = 42.

A. m = - 5

B. m = - 4

C. m = 4

D. m = 5

i'm really bad at simplifying

Which choice describes whether x = 19 is the solution of the equation 42 = 3x - 15? CLEAR CHECK

Celine has a bottle that contains 20% milk And the rest water

A graph is translated according to the following rule. Describe the translation. (x, y) → (x, y + 3) A. The graph is translated 3 units to the left. B. The graph is translated 3 units up. C. The graph is translated 3 units down. D.

Evaluate the expression a / b for a=24 and b=8

What is the common difference for this arithmetic sequence? -5, - 1, 3, 7, 11, ... A) 3 B) 5 C) 2 D) 4

6 times 3 plus 23 times 7 over 33-3

It costs $5 to become a member of a video game club. After that, video games 10 each with a 7% tax on each game. If you spent $69.20 TOTAL, how many video game did you buy?

Lisa and valerie are picnicking in Trough Creek State Park in Pennsylvania. Lisa has brought a salad that she has made with 3/4 cup of strawberries, 7/8 cup of peaches, and 1/6 cup of blueberries. They ate 11/12 cup of salad.

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Sodium-24 has a half-life of 15 hours. How many grams of a 900 g sample will remain after 90 hours? A) 7.03125 g B) 7.5 g C) 14.0625 g D) 28.125 g