Solve each equation by factoring. Show all work. 1. m^2+18=-9m

Solve each equation by taking square roots. Leave answers in simplified radical form.

2. x^2-2=79

3. 5v^2-5=132

Solve each equation with the quadratic formula. Leave answers in simplified radical form.

4. 5a^2+8a-21=0

5. 3x^2=24+2x

In the following diagram it is given that dec,ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

In angle pqr find the measure of

You buy five cds at a sale for $5.95 each. write an expression for the total cost of the cds.then use the distributive property and mental math to evaluate the expression.