M<PLA = 1/2 m PYA
110 = 1/2 (12x - 20)
12x - 20 = 220
12x = 220 + 20 = 240
x = 240 / 12 = 20
The answer is b because 7 plus 2 equals 9 and a equals whole amount then his current amount is A-9
Answer:
Step-by-step explanation:

Answer & Step-by-step explanation:
1.) Mathematical phrases:
a. numerical expression
b. algebraic expression
2. ) Write T for true or F for false
a. F
b. T
3. ) Number of terms is
c. 3
4.) a+0 is
a. a
5. ) 32+8÷4
a. 34