1.what is ( 1⁹ +2³ ) - (6² -5²)
a.2 c.-1
b.0 d.-2
2. 4a-3² = 3³ - 5a
A=?
a.37 c.4
b.26 d.15
a.2 c.-1
b.0 d.-2
2. 4a-3² = 3³ - 5a
A=?
a.37 c.4
b.26 d.15
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Answer:
1. d. -2
2. c. 4
Step-by-step explanation:
1. (1+8)-(36-25)
9-11
-2
2.4a-3²=3³-5a
4a-9=27-5a
4a+5a=27+9
9a= 36
9a/9=36/9
a=4