The ratio of boys to girls is 4:5 what is the ratio of boys if the total is 81 students?

A cellphone company found that 20 of their 150 phones were defective in may If they produced 750 phones in June, how many would expect to be defective

15=3a answer for this question?

If i mix 3parts of blue paint with one part of yellow to make green and my sister mixed five parts of blue and two parts of yellow to make green also. Will the two shades be the same? Why or why not?

A car burns 3 gallons of gas over 69 miles, 5 gallons over 115 miles and 7 gallons over 161 miles. Write an equation for the relationships and solve for how far you could drive on 14 gallons.

What is the discount rate for a $70 table on sale for $55 select correct answer A 15% B 21.4% c 27.3% D 78.6%

Jamal is making pancakes. He has 6 3/4 cups of batter, but he needs a total of 12 cups. How much more batter does Jamal need?

A surfer recorded a maximum wave height each day at the beach for 10 days. The results are shown in this dot plot

Edith wants to plan a dinner for one day of the week. She decides to put all the days of the week once into a hat. If she chooses one day a random, what is the probability that she chooses a weekday?

What is the lcd for the factor 1/3 and 2/9?

98 is what percent of 2487