The table shows how many middle school and high school students prefer playing each type of instrument. How would you find the joint relative frequency of being a high school student who prefers to play brass instruments? Brass Wind Total Middle school 81 52 133 High school 106 74 180 Total 187 126 313 A. Divide 106 by 187. B. Divide 106 by 313. C. Divide 187 by 313. D. Divide 106 by 180.​

bfbxbbneed help quick its urgent help!

Step-by-step explanation:

Step-by-step explanation:

answer: 12   they all have at least 28 days

step-by-step explanation: haha

answer: bea's uncle is 25 years old.

step-by-step explanation:

given the equation , we can say that the variable "x" represents the age of bea's uncle. then to find his age, we need to solve for "x":

we must add 15 to both sides of the equation:

now we need to divide both sides of the equation by 3:

therefore, we can conclude that bea's uncle is 25 years old.