100 meter long Christmas train needs 30 seconds to cross a 400nmetrr long bridge assuming the train goes at a steady speed how fast is it

Simplify the trigonometric expression. 1/1 + sin theta + 1/1-sin theta A, 2 cos^2 theta B. 2 sec^2 theta C. 2 csc^2 theta D. 2 cot^2 theta A, 2 cos^2 theta B. 2 sec ^2 theta C. 2 csc^2 theta D, 2 cot^2 theta.

Three workers arrive at work 15 minutes late, at a cost of $11 / hour.

If a countertop is 16 ft long and 3 ft wide and the area is 48 if a tile costs 28 dollars per sq meter. How much will it cost to cover the whole thing

Which equation can be solved using the expression StartFraction negative 3 plus-or-minus StartRoot (3) squared + 4 (10) (2) EndRoot Over 2 (10) EndFraction for x?

Is 15/18 equivalent to 3/4

How do i solve 2 (x+4) = 5x-2

10 hundreds = _ thousands

9 ones divided by 3 ones

What is 2 + (9-5) x7-3/4

The ratio of men to women working for a company is 8 to 5. If there are 125 women working for the company, what is the total number of employees?