Achef made 30 donuts in 60 minutes. how long would it take him to
make 90 donuts?

Add. express your answer in simplest form. 12 9/10+2 2/3 = i need u guys to me find the answer to this question

There are three grizzly bears in the city zoo. yogi weighs 400.5 pounds, winnie weighs 560.35 pounds, and nyla weighs 628.29 pounds. what is the average weight of the three bears? (hint: what do they weigh all together? ) a. 502.97 pounds c. 604.38 pounds b. 529.71 pounds d. 794.57 pounds

Find the x-intercepts for the parabola defined by this equation: y=-3x^2-6x+9