A carpenter purchased 60 ft of redwood and 90 ft of pine for a total cost of $294. A second purchase, at the same prices, included 80 ft of redwood and 70 ft of pine for a total cost of $332. Find the cost per foot of redwood and of pine.

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

For the inequality |c| < |d| to be true, which of the following must be true?

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants.assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1