13. which equation has no solution? (1 point)a. 5v + 3 = 5v – 5 b. 2x – 4 = 2x + 7 – x c. 2y + 5 – y = 2y – 3(y – 6) d. 7z + 9 = –7z – 6

The trigonometric ratios sine and secant are reciprocals of each other

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?