There are 600 dishes that need to be rinsed. Tony can rinse them in 120 minutes by himself. It will take his friend Ravi 60 minutes to rinse these dishes. How long will it take them if they rinse these 600 dishes together

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.