Question

preciso pra hj por favor ​

Answer 1

1.

a) 3

b) 7

c) 2×5 = 10

d) 5a²

3.

a) 2⁸/¹⁴ = 2⁴/x

8/14 = 4/x

4/7 = 4/x

x = 7

b) 5/15 = x/3

1/3 = x/3

x = 1

c) 4/8 = x/2

1/2 = x/2

x = 1

d) x/10 = 1/5

5x = 10

x = 10/5

x = 2