Which equations are true for x = - 2 and x = 2? Check all that apply.

x2 - 4 = 0

x2 = - 4

3x2 + 12 = 0

4x2 = 16

2 (x - 2) 2 = 0

Length is 67cm. width is 40cm. how many more cm is the length than the width?

5e^6x+3 = 0.1 How do I solve this?

Given ƒ (x) = 8x + 25, find x when ƒ (x) = 9.

Zach invested $50 and was able to triple his money in two years. Kayla also began with $50 in investments, and was able to cube her money in two years. Who had more money after two years? Explain.

one number is 6 times a first number. a third number is 100 more than the first number. if the sum of the three numbers is 316, find the numbers

In a right triangle, the side opposite angle has length 3.07 meters and the hypotenuse has length 7.89 meters. What is the sine of the angle?

By 203 and 42 thousandths in standard form and expanded form

According to Ms. Hill's blintz recipe, 2 eggs should be used for every 3/4 cup of sifted flour. At this rate, how many cups of sifted flour should be used if 5 eggs are used?

If two angles are obtuse, then they must be congruent? true or false?

What is the answer tom10t=90