Construct angle ABC such that AB = 4.5 cm,
BC = 6 cm and ABC = 60°..​

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

The circumference of a circle is 5 pi cm. what is the area of the circle?

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?