Answer:
1. The negative sign on an exponent means the reciprocal. A negative exponent tells how many times to divide a base number.
2. A positive tells how many times to multiply a base number.
could you also give me a brainliest if I am correct.
thanks!
Answer: 
Step-by-step explanation:
Given
Function is 



from (i) and (ii) we get

Answer:
22 m^2
Step-by-step explanation:
The area of the bottom rectangle is A = l*w
The length is 8 and width is 2
A = 8*2 =16
The area of the top rectangle is A = l*w
The length is 3 and width is 2
A = 3*2 =6
Adding the areas together
A = 16+6 = 22
Answer: See explanation
Step-by-step explanation:
Your question isn't really clear but let me help.
For Maths test,
Point earned = 30
Total point = 43
Percentage = 30/43 × 100 = 69.77%
Social studies test
Point earned = 85.
Total point = 124
Percentage = 85/124 × 100 = 68.55%
From the above, we can see that Jake scored a higher percentage in the Maths test.