WILL GIVE BRAINLIEST PLZZZ HELP Which of the following problems can be solved using the equation x-9=15
a. The sum of two numbers is 15. If one of the numbers is 9, what is x, the other number?

b. David’s portion of the bill is $9 more than Jaleel’s portion of the bill. If Jaleel pays $9, find x, the amount in dollars that David pays.

c. Allison is 9 years younger than her sister Pam. Allison is 15 years old. What is x, Pam’s age?

D. Calvin owns 15 CDs. If he gave 9 of them to a friend, what is x, the number of CDs he has left?

The sum of the product of 4 and x and the product of 7 and y is 61. the sum of the product of 12 and x and the product of 21 and y is 61. what are the values of x and y?

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size. it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?