What is the rule for the reflection?

ry-axis(x, y) → (–x, y)
ry-axis(x, y) → (x, –y)
rx-axis(x, y) → (–x, y)
rx-axis(x, y) → (x, –y)

Three times the sum of a number and seven is negative thirty-six. what is the number?

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost