I KEEP GETTING ANSWER WRONG AND I DON'T UNDERSTAND WHY! Write an equation of the line passing through point P that is perpendicular to the given line.
P(−1,−2), y=−4x+13
I KEEP GETTING EITHER 1x+1 or 1x+3

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n