1.
What is the value of the algebraic expression 2a + 3a - 2 if a = 4?
D. 20
A. 13
B. 15
C. 18
2. If b = -3, what would be the value of 2b - 3b + 5?
A. -8
B. -2
C.2
D. 8
3. What is the value of (3a + b) if a = 5 and b = -8?
A. 14
B. 23
D. 49
C. 46
a+b
4. Evaluate the given expression
if a = -4, b = -3, c = 2 and d = -1.
c+d
What is the result?
A. -7
B. -1
C. 1
D. 7
5. What is the value of (a) if a = 6, b = -4, c = 9?
D. -4
C.-6
B. -9

pa help po
A. -12​