Solve the system using substitution.

x+y=8

y=3x

A. (4,12)

B. (2,6)

C. (1/2,3/2)

D. (-4,-12)

202 is what percent of 3542

4. Can the following list represent a complete probability model? P (2) = 1/12, P (3) = 2/3, P (4) = 1/4 Lesson 9-4

The equilibrium constant for this system is 8.5 x 10-3. If the equilibrium concentration of NH3 9.2 x 10-2 M, what is the equilibrium concentration of H2S? 9.2 x 10-2M 7.8 x 10-4 M 1.0 M 1.1 x 101 M

Dana bikes 10 miles in 50 min. at this rate how far can she bike in 90 min?

Carolyn is searching online for tickets to a concert. Two weeks ago, the cost was $30. Now the cost is $39. What is the percent increase? What would be the percent increase if the ticket agent charges an additional $4.

Mrs. Jacobsen purchased a 5-pound package of ground beef for $12.40. She decided to use 8 ounces each day for dinner recipes. What was the cost of ground beef per meal?

If (7^2) ^p = 7^6, what is the value of p? 2 3 4 8

The population at Saint Maria High increased from 1800 students ten years ago to 1926 students last year. What was the percent increase?

A triangle is placed in a semicircle with a radius of 7cm, as shown below. Find the area of the shaded region. Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer. 7cm

What can each term of the equation be multiplied by to eliminate the fractions before solving