What are the solutions of x2+4x=9? Question 3 options:
−2±13−−√
−2±413−−√
−4±213−−√
−4±13−−√

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

Charlie tosses five coins.what is the probability that all five coins will land tails up.

Kerion has a beaded necklace business. she can make 12 necklaces is 2 hours. how long will it take her to make 9 necklaces?