Find the value of the following algebraic expressions using the given value of the variable/s.
1.8a + 4; if a=6
2.12a- 24b + 20; when a=2 and b=1
3.y + 2(y - 5); if y = 15
4.20b(2-b); b=3
5.(40h + 5) + k; when h=1/2 and k=11
1.8a + 4; if a=6
2.12a- 24b + 20; when a=2 and b=1
3.y + 2(y - 5); if y = 15
4.20b(2-b); b=3
5.(40h + 5) + k; when h=1/2 and k=11
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Answer:
1.52
2.20
3.170
4.-60
5.36
Step-by-step explanation:
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