Is (9,9) a solution of the following linear

system of equations?:

17x - 9y=72

X - 9y = - 72

karen has two dogs the larger one weighs 1.4 pounds more then the smaller dog. The combined weight of the two dogs is 12.6 pounds what is the weight in pounds of the smaller dog

A train runs for 3 hours at a speed of 55 km per hour and for the next 2 hours at a speed of 65 km per hour. Find the average speed of the train for the 5 hours journey.

There are 24 inches of ribbon in each spool. Margaret needs 384 inches of ribbon. Which equation can Margaret use to find the number of spools, s, she needs?

What do the properties of polynomial addition mean?

If a doctor suspects her patient has a broken bone, then she would take an x Ray Dr. Ngemba suspects Lilly has a broken arm

Tina wants to save money for school. Tina invests $400 in an account that pays an interest rate of 8%. How many years will it take for the account to reach $5,500? Round your answer to the nearest hundredth.

A research team investigates the potential association between hours of work and blood pressure. They want to see whether there is a statistically significant difference in blood pressure (SBP) before and after someone switches to a heavier-load job

6 to the 2 power = 12 True False

What is the value of x in the equation 8 + 4 = 2 (x - 1) ? 13/2 Oь 11/2 О с 7 ed 5

Answer the questions below based on a bag of Jolly Ranchers having the following number of each flavor: 23 grape 32 blue raspberry 28 cherry 19 apple 20 watermelon Part A What is the probability of reaching into the bag and choosing a grape