5. Which equation could best be used to determine the value of f(3) for the function f(x) = 2x + 4?
A. f(3) = 23 + 4
B. f(3) = 2(3) + 4
C. f(3) = 3(2x) + 4
D. f(3) = 3(3x + 4)

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

Need ! easy 6th grade work! i will put as much points as i can! you so much! i’m learning this in math and it’s soo

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7