This year, a construction company had expenses of $900 million, which was $50 million more than the expenses from last year. How much were last year’s expenses?

A. $900 million
B. $850 million
C. $50 million
D. $950 million

(sorry if this is really simple, please don't be mad at me, I'm bad at math..)

b

Step-by-step explanation:

it b because 900-50 is 850

its the second choice.

step-by-step explanation:

the elements in the range will be 7 less than the elements in the domain.

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.