Subtract.(3a2 - a + 7) - (10a2 + 5a - 12)

A. 7a2 + 6a - 19
B. 7a2 + 4a - 5
C. -7a2 - 6a + 19
D. -7a2 - 4a - 5


Answer: C

Mathematics

You might also like to view...

Solve the problem.The recipe for a chocolate chip cake calls for  pound of chocolate chips. If a bakery wants to make 20 cakes, how many pounds of chocolate chips will they need?

A. 20 pounds B. 5 pounds C. 16 pounds D. 4 pounds

Mathematics

For an election with 6 candidates (A, B, C, D, E, and F), we have the following preference schedule: Using the method of pairwise comparisons, the winner of the election is

A. A. B. B. C. C. D. E. E. none of these

Mathematics

Identify the correspondence.The two triangles shown below are congruent. List the vertices corresponding to H, I ,and J in order: 

A. L, K and M B. K, M and L C. K, L and M D. M, K and L

Mathematics

Solve the problem.Edwin has a board that is 5.6 feet long. He wants to cut the board into pieces that are 1.4 feet long. How many 1.4-foot pieces will he get from the large board?

A. 5 pieces B. 40 pieces C. 4 pieces D. 3 pieces

Mathematics