Are these ratios equivalent 15:18 and 18:19

Missy took the act and was told her standard score (z-score) is –1. frank took the sat and was told his standard score (z-score) is –2. which student has a better chance of getting admitted to college based on their test score?

17 in long 1.3 ft wide and 8in high what is the volume

What expression is equivalent to log3(x+4)