Tell Whether the Statement Is True or False $\{ 5,7,8,10 \} \cap \varnothing = \{ 5,7,8,10 \}$

Q40: Simplify the expression. Assume all variables

Q41: Factor the trinomial, if possible.<br>- <span

Q42: Tell whether the statement is true

Q43: Determine what signs on values of

Q44: Find the product or quotient.<br>- <span

Q46: Factor by any method.<br>- <span class="ql-formula"

Q47: Identify the polynomial as a monomial,

Q48: Find the sum or difference.<br>- <span

Q49: Identify the property illustrated by the

Q50: Rationalize the denominator. Assume that all