The first 400 students who enter the gym will be used as a sample.

- Identify the type of sampling method proposed and discuss why this sampling method might be biased

The measures of the angles of ABC are given by the expressions in the table A (6X - 1) ° B 20° C (x + 14) ° what are the measures of angles A and C? Enter your answers in the boxes mA = mC =

6. Explain the difference between "4 times the sum of x and y" and "the sum of 4 times x and y

The following are the ages (years) of 5 people in a room: 15, 17, 22, 14, 19 A person enters the room. The mean age of the 6 people is now 19. What is the age of the person who entered the room?

Which pairs of numbers have a GCF of 5?

Solve the system of equations by finding the reduced row-echelon form of the augmented matrix for the system of equations. 2x + y + 4z = 16 5x - 2y + 2z = - 1 X + 2y - 32 = - 9 a. (-1, 2, 22) c. (-1, 2, 4) b. (-10, 22, 42) d. (-10, 2, 22)

1. Jason saves $15 for every $125 he earns. What percent of his earnings does Jason save? 2. If Jason earns $450 this week and saves at his usual rate, how much money will he deposit into his savings account? Type your answer below:

What is the value of c so that x^2 + 17x + c is a perfect square trinomial?

The following regular polygon has 15 sides. This distance from its center to any given vertex is 12 inches. Which of the following is the best approximation for its perimeter?

Estimate: √106 A. 9 B. 10 C. 11 D. 12

Math! Multiple Choice! Question 1 d/5 = 4 A. d = 20 B. d = 4/5 C. d = 5/4 Question 2 2 1/4 r = 10 r = 4 3/4 r = 4 2/5 r = 4 4/9 Question 3 h/26 = 5 h = 120 h = 130 h = 140 Question 4 6/7 k = 6 k = 7 k = 6 6/7 k = 6 I do Brainliest!