Identify the property of equality used to justify the statement. \( x+3=x+3 \) \( \begin{array}{ll}\text { A) Symmetric Property of Equality } \\ \text { B) Trannifive Property of Equality } \\ \text { C) Reflexive Property of Equality } \\ \text { D) Distributive Property of Equality }\end{array} \)

a) You can multiply both quantities in the

Unknown to a medical researcher, 4 out of 22 patients have a heart problem that will result in death if they recelve the test drug. 8 patients are randomly selected to recelve the drug and the rest recelve a placebo. What is the probability that more than 1 patient will die? Express your answer as a fraction or a decimal number rounded to four decimal places.

Choose the two equivalent expressions.

Factorthe expression \[ x^{2}+3 x+2 \] \( (x+1)(x+2)(x+2) \) \( (x+1)(x+3) \)

1) Find the maximum or mintumam value of (a) \( 4<1-4 x-6 x^{2} \) (b) \( 4=4 x^{2}-5 x+1 \)