1. Review of Real Numbers

Simplify the expression.

$\frac{1}{2}{x}^2+\frac{3}{4}xy-\frac{1}{3}{x}^2+\frac{1}{4}xy$

Combine like terms such that each variable only appears once.

$0.5z+.25z-1.35+1.55$

Simplify the expression.

$3x^2+5x^3-2x+4x^2-x^3+8x+10$

Simplify the following by combining like terms.

$\frac{1}{2}x+\frac{3}{4}x-\frac{1}{2}y+\frac{1}{2}y$

Simplify the following by combining like terms.

$2m+3n-p+4m-2n+5p$

Simplify the expression.

$-3[2x-(4-x\left)\right]$

Combine like terms such that each variable only appears once.

$\frac{3}{4}x+\frac{1}{2}x$

Simplify the expression.

$6(2a-b)+4(3a+5b)$

Simplify the expression.

$7(x-3)+10$