Which of the following equations is quadratic?

1. x (x2 + 1) = 0

2. 5 (4x + 2) = 3

3. (x + 3) (x + 4) = 5

Sylvia can work at most 15 hours per week at her part-time job. Last week she worked 12 hors and earned $84. She hopes to earn more than $100 next week. Explain how to use equations and inequalities to determine whether she can do so.

What are the mean, median, mode, and range for this set of data? 4.1, 2.7, 2.1, 3.3, 1, 6, 3.3, 1.5 A. Range 5 Median 3 Mode 3.3 Mean 3 B. Range 3 Median 3.3 Mode 5 Mean 3 C. Range 6 Median 3.3 Mode 3.3 Mean 3.3 D. Range 3.3 Median 3.3 Mode 3 Mean 5

How do i solve for this? I forgot

Express in exponential form. x = log (10) y

During a canned food drive, the number of students who donate food doubles each day. Three students donate food on day 1. On which day will 96 students donate food? show your thinking?

The area of a rectangle is 38.25 square yards and its base is 9 yards. What is the height?

3. After hiking to the top of a mountain, Raul starts to descend at the rate of 350 feet per hour. What real number represents his vertical change after 1 1/2 hours?

The millage rate in an area is 12.43 mills. What is the amount of property tax for a $141,300 house? Enter your answer as a dollar value, such as: 3456.78

A coin is flipped eight times where each flip comes up either heads or tails. how many possible outcomes

An employer pays $22 for 2 hours. use the ratio table to determine how much she charges for 5 hours.