1. 4x^{2}=81 2. (4x−3)^{2}+7=39

3. 2x^{2}−2=6

4. 13x^{2}−3=4209

5. 10(x−7)^{2}=440

Solve each equation by square roots

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

There are 20 children in the cast of a class play and 8 of the children are boys of the boys 4 have a speaking part in the play and of the girls 8 do not have a speaking part in the play if a child from the cast of the place chosen at random what is the probability that the child has a speaking part

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap