Which expression is equivalent to (see picture below)? 4[50(50+1)/2]^2+3(50)
4[50(50+1)/2]^2+3(50(51)/2)
4(50(50+1)(2x50+1)/6)+3(50)
4(50(50+1)(2x50+1)/6)+3(50(51)/2)
please hurry, it's timed

Write the linear inequality shown in the graph. the gray area represents the shaded region. y> -3y+5 y> 3x-5 y< -3x+5 y< 3x-5

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Jacks bank statement shows an account balance of -$25.50. which describes the magnitude, of size, of the debt in dollars