Justin earned scores of 85,92, and 95 on his science tests. what does he need to earn in his next science test to have an average of 93%? ?

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?

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.