The ratio of dogs to cats at the SPCA is 3-2. If there are 48 cats, how many dogs are there?

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?