Evaluate the expressions when x = -4, y = 5 and z = -3. 1) X - Y - Z
2) - x + y -Z
3) x - y + z
4) - X - Y - Z

Beth took out a $20,000 loan for college she is borrowing money from two banks. bank a charges an interest rate of 8.5% bank b charges and interest rate of 10.5% after one year alice owes $1860 in interest how much money did she borrow from bank a

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

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?