Write an expression equivalent to the expression -1/2(-3/2x+6x+1)-3x

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Which math sentence can be used to determine if the triangle is a right triangle?

The marked price of an article is 25% above its selling price and the cost price is 30% less than its marked price . find the discount percent and gain percent. only a brainlest can solve it i will mark you brainlest