Is this a solution?

What makes this a solution is if both equations equal the same answer.

3x+y=11 and x-2y=6

Solution: (4,-1)

Is it a solution?

What is the magnitude of 5-3i

Maria's credit card balance is less then - $30. Does Maria owe more then $30 or less then $30?

Three ratios that are equivalent to the one given the ratio of right handed students to left handed students is 18:4

A student tested the hypothesis that ice melts more slowly in a glass tumbler than it does in a plastic or paper cup. Study the data, and then answer the questions that follow. The question from this statement is.

What is the sum of the geometric series 20 + 21 + 22 + 23 + 24 + ... + 29?

1/4 of 12 water bottles were used, how many water bottles were not used

Simplify. 14a^2bc^4/21abc^6

Determine the standard form of the equation of the line that passes through (-7 8) and (0 - 8)

Explain the role of the GCF in factoring a polynomial.

How to know if a problem is permutation or combination?