The population of happyland is 15.8 happys per acre. exactly 553 happys live in happyland. how many acres is happyland? only enter a numerical value in the answer blank.

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4