Find the cardinal number of set C={x| 25 < x < 40, x ∈ ℤ},

When turned about its axis of rotation, which shape could have created this three-dimensional object?

For each proportion find the unknown number x 1/5/8=×/15

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?