If I had 30 students in a class and the average age was 20.9 and I added twins and the average age changes to 21.6 years old, how old are the twins?

Ou work as a cashier for a grocery store and earn $5 per hour. you also mow lawns and earn $10 per hour. you want to earn at least $50 per week, but would like to work no more than 10 hours per week.

How do u find square root

Josh visits his parents every eight days. Hey visits his brother every twelve days. If he visited his parents and brother today, how many days until Josh visits both his parents and his brother again on the same day?

Choose all of the zeroes of f (x). 0 - 3 with multiplicity 1 3 with multiplicity 1 O with multiplicity 1 O O with multiplicity 3 3 with multiplicity 0

Jason earns a monthly salary of m dollars. his salary is increased by 5%. what expression represents jasons new salary?

The unit price of hot dogs is $0.50/hot dog. How much will 12 hot dogs cost?

The formula to convert °F to °C is C = 5/9 (F - 32). 50°C = 122 °F Why do you multiply 50 by the reciprocal of 5/9

Yan is climbing down a ladder. Each time he descends four rings on the ladder, he stops to see how much farther he has to go. Which word in the problem indicates that a negative integer should be used 1 : Climbing 2: Stops 3: Descends 4: Farther

If a hat that costs $30 is discounted by 15%, what's the sale price?

Use the interactive spinner to model who among Elisondra and her three friends will order first. Then answer the questions. What is the theoretical probability of the spinner landing on Elisondra's section? Spin the spinner. Who orders first?