Select the correct answer. ΔABC underwent a sequence of rigid transformations to give ΔA′B′C′. Which transformations might have taken place?

A.
a reflection across the y-axis followed by a reflection across the x-axis

B.
a rotation 90° clockwise about the origin followed by a reflection across the x-axis

C.
a rotation 270° clockwise about the origin followed by a reflection across the x-axis

D.
a reflection across the x-axis followed by a reflection across the y-axis

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

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?

What does the sign of the slope tell you about a line?