Answer:
A=22 or 23
B=5
Step-by-step explanation:
Sunscreen approx. 40.6 cents an oz
Lotion 6.4 cents an oz
The answer is 16
Refer image for working :-
Drop comments if any doubt arises.
Answer:
m = - 1/4
Step-by-step explanation:
When two line is perpendicular to each other the product of them is - 1
So let the other line be B
Gradient of B = t
Gradient of A = 4

therefore m = - 1/4