Answer:
C. 
Step-by-step explanation:
Given that A and B are matrices and 
is a scalar, then the distributive property of scalar multiplication over addition is given by;
The distributive property of scalar multiplication over subtraction is
The correct answer is C.
So multiply 128 by 15 to get 1920 and then move the decimal over two places to get 19.20 and then subtract that $19.20 from $128 to get $108.8
Answer:
Red = 30 drops
Blue = 20 drops
Step-by-step explanation:
The ratio red to blue is 3 : 2
Sum of ratios = 3 + 2 = 5
Required purple paint = 50 gallons
So,
Now, Red drops = 3×10 = 30
Blue drops = 2×10 = 20
Answer: x=-1, y=-8
Step-by-step explanation: solve for the first variable in one of the equations then subsitutte the result into the other equation
It is going to be a right triangle
