Answer:
20
Step-by-step explanation:
An expression dose NOT have an = sign
An equation dose have an = sign
In this case, the expression 4x+8, replace the x with 3, since x=3
4x + 8
4 x 3 + 8 ( don't forget PEMDAS )
12 + 8
265
378 x 70% = 265 students
40 degrees un edge
(b⁷/4⁵)⁻³
= (4⁵/b⁷)³
= 4¹⁵/b²¹
Therefore answer is option b
Must click thanks and mark brainliest
270 minutes per boy.
45 mins each week
multiplies by 6