If the value of b is 7, then what is the value of the expression -3b2 + 25 = ?

Tori examined the pattern of exponents in the table. based on the pattern, which statements are true? check all that apply.

The appalachian trail is a hiking trail that passes through the appalachian mountains. three members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3 4 gallon of water. how much water did each person get?

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?