C is incorrect. 8f represents the cost of 8 formulas, not just the cost of one formula.
Answer: 56:7
Step-by-step explanation:
You would do 8 times 7 which is 56 and yor ratio would be 56:7
The factored form of a polynomial is comprised of factors in which the sum is equal to the coefficient of the second term and the product is equal to the coefficient of the third term. In this case, the factors of x2 + 3x - 4 = 0 are 4 and -1. hence the answer is B. <span>(x - 1)(x - 4) = 0</span>
Step-by-step explanation:
We know that tan=sin/cos, so tan(x+π/2)=

Then, we know that sin(u+v)=sin(u)cos(v)+cos(u)sin(v),
so our equation is then
Then, cos(u+v)=cos(u)cos(v)-sin(u)sin(v), so our expression is then

1+1 = 2
ps have a wonderful day/night :)
made my day btw haha