Answer:
5r^2+2
Step-by-step explanation:
(4r^2 – 3r + 2) – (-r^2 – 3r) =
Distribute the minus sign
(4r^2 – 3r + 2) +r^2 + 3r =
Combine like terms
(4r^2 + r^2 – 3r+ 3r + 2) =
5r^2+2
.75 because .75 is .25 from 1.0 and .25 from .5
C, 51 because acute angles are less than 90° but together the angles create a right triangle which is 90°.
He should use 48 tablespoons of flour in his recipe.
