A college has a student to teacher ratio of 35 to 2. If there are 170 teachers at the college, how many students attend the college?

2,975

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?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

What is r i 4.5+10r=-6.5 with work pls