Answer:
y + 4/7
6x
Step-by-step explanation:
7:5 = 21:15
explanation : to get 21, multiply 7 by 3. since 7 is multiplied by 3, then you multiply 5 by 3 too. and you get 15.
Answer:
A=2(wl+hl+hw)
Step-by-step explanation:
To find the surface area of a rectangular prism, measure the length, width, and height of the prism. Find the area of the top and bottom faces by multiplying the length and width of the prism. Then, calculate the area of the left and right faces by multiplying the width and height.
30 + 11.3 = ?
30 + 11.3 = 41.3
41.3 - 11.3 = 30.
A = 41.3