The input number is supposed to be substituted for x in the (3x + 5)
so the first one would be (3(0) + 5) = 5
Answer:
294
Step-by-step explanation:
The area of one face of the cube would be 7 x 7 = 49 
Since there are 6 faces on a cube, the total surface area would therefore be 49 x 6 = 
Answer:
51
Step-by-step explanation:
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
Multiplication first, then division, and then addition.
(8*18)÷4+15 (Multiplication)
(144÷4)+15 (Division)
(36) + 15 (Addition)
51
Hope that helps!