Multiply and simplify: 2a(7a2 – 3a + 9)

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

100 points, hi, i’m not sure how to get the equation from the graph and table.