For each conjecture, state the null and alternative hypotheses.
a. The average weight of dogs is 15.6 pounds.
b. The average distance a person lives away from a
toxic waste site is greater than 10.8 miles.
c. The average farm size in 1970 was less than
390 acres.
d. The average number of miles a vehicle is driven
per
year is 12,603
e. The average amount of money a person keeps in his
or her checking account is less than $24.

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?