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..)

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3

Need solving this 2nd limit problem.