Select all the expressions that cannot be factored using integral coefficients and integral constants.

a. 25x2 - 40x + 16
b. 2x2 + x + 4
c. 6x2 - 2x - 20
d. x2 - 2x - 4

If 1/2+2/5s=s-3/4,what is the value of s? a. s=3/4 b. s=25/12 c. s=-25/12 d. s=-3/4

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?