What is the value of arcsin(2√2)? −π2 π2 π4 −π4

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Write the pair of fractions as a pair of fractions with a common denominator

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?