The expression 2a+1.5b gives the cost (in dollars) for a cupcakes and b cookies at a bake sale. a. The cost for 1 cupcake is $
and the cost for 1 cookie is $
.

b. The total cost for 6 cupcakes and 6 cookies is $
.

Question 2
c. Is $20 enough to buy 7 cupcakes and 4 cookies?

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.