Consider the following data and corresponding weights. Weight () 3.2 6 2.0 3 2.5 2 5.0 8 a. Compute the weighted mean (to decimals).

At least two people have the same birthday in a school of 150 students

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Remmi wrote the equation of the line y=⅓(x+2) he solved for x and got x=3y-2 which of the following is an equivalent equation for x? a. x=y-11/3 b. x=y+7/3 c. x=3(y-⅔) d. x=3(y+⅔)