Identify the factors of 9x2 + 24x + 16.
(3x + 4)(3x + 4)
(3x − 4)(3x − 4)
(3x + 2)(3x + 8)
(3x − 8)(3x − 2)

George is 187 cm tall. his son, ralph, is 142 cm tall. who casts the longer shadow. george when the sun is 65° above the horizon, or ralph when the sun is 56° above the horizon? how much longer? (nearest centimeter)

What is the sum of these mixed numbers 2 1/8 + 4 3/8

What expression is equivalent to log3(x+4)