Which method is most effective? x^2-1=15

a-complete the square

b-square root

c-factor

d-quadratic formula

What are the lengths of the legs of a right triangle in which one acute angle measures 19° and the hypotenuse is 15 units long? a. 9 units, 12 unitsb) 11 units, 10.2 unitsc) 4.9 units, 15.8 unitsd) 4.9 units, 14.2 unitse) 5.2 units, 14.1 units

How do you simplify a radical. For example radical 68 ... ?

How many triangles can be constructed with sides measuring 5m, 16m, and 5m

Benny is 5 years old. his father is seven times old as he. In how many years time will Benny's Father be 4 times Benny's afe

How do you use units and convert them to understand and solve problems

There is a 4-foot fence that surrounds your backyard. The fence casts a shadow that is 5 feet long. If you are 6 feet tall and standing next to the fence, how long will your shadow be?

Need the formula for 8% of 575

Amos Bought 5 cantaloupes For $8. How many cantaloupes can he buy For $24?

Which best describes how to solve this equation for x? x/a=b

Subtract the equations. 5x + 4y = 25 (5x + 2y = 3)