Answer:
240 cm
Step-by-step explanation:
18*12= 216
+
4*3*2= 24
216*24= 240
First add plus 5 to -5 and 22. Then -5 cancels outdo now u have 3b=27. Divide 3 to 3b and 27. Then you will have b=9
Answer:
7x
Step-by-step explanation:
Answer:
14x2-4x+17
Step-by-step explanation:
you just substract coefficients that have the same variable and power.
Answer:
a(b(5)) = 76
Step-by-step explanation:
Evaluate b(5) then substitute the value obtained into a(x)
b(5) = 5² = 25, then
a(25) = 3(25) + 1 = 75 + 1 = 76
