Determine if the fractions can form a proportion. and 

A. No
B. Yes


Answer: B

Mathematics

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Write a system of inequalities that describes the possible solutions to the problem.Matt is going to invest no more than $4000 into two accounts earning 2% and 4% simple interest. He would like the accounts to earn at least  after one year. He wants to invest less than  in the account earning 4% simple interest. Write a system of inequalities to describe this situation and solve by graphing.

A. x + y ? 4000   0.02x + 0.04y ? 80 x ? 0 y ? 1000 B. x - y ? 4000   0.02x + 0.04y ? 80 x ? 0 y ? 0 C. x + y ? 80   0.02x + 0.04y ? 4000 x > 0 y ? 0 D. 0.02x + 0.04y - 80 ? 4000 x ? 0 y ? 0

Mathematics

Simplify the expression, if possible.

A. Not an integer B. -6 C. 6 D. 12

Mathematics

Verify that each equation is an identity. +  = -2 csc ?

What will be an ideal response?

Mathematics

Find the indicated term.Find a1 when a17 = 67 and a12 = 42.

A. -8 B. 5 C. -13 D. -3

Mathematics