Ignacio is buying pet food. Bird seed costs $1.50/lb and cat food costs $2/lb. Ignacio has $7./0 to spend on bird seed and cat food. Let x represent the number of pounds of bird seed purchased and let y represent the number of pounds of cat food purchased. What graph shows the amount of each type of food Ignacio can buy if he spends the entire $7.50?

X+ y = k 2x + 3y = k + 1 the point of intersection of the lines has an x-coordinate of a.2k + 1 b.-2k + 1 c.2k - 1

Which expression is not a polynomial?

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?