How many lines of symmetry does a regular decagon have?

8

10

11

12

Ten raised to a negative exponent is a number less than 0, true or false?

Add 6 and 8. Then, multiply by 2. Which of the following expressions matches the statement above? A. 8 + 6 * 2 B. 6 + 8 * 2 C. 2 * (6 + 8) D. 6 * (2 + 8)

11. Sylvia Norton's account Beginning balance: $862.91 Deposits: $794.26 Interest: $6.08 Withdrawals: Ending balance: $1,310.69

Lisa and Bart spin this spinner 60 times the result are below / black=17 blue=15 orange=21 purple=7 a. What is the experimental probability of a spin of orange? B which color had an experimental probability that matched its theoretical probability

A graphics company charges $50 per hour to create a logo plus $250 for the ownership rights of the logo. A private contractor charges $75 per hour to develop a logo plus a $100 supply fee.

Zack says that the probability of rolling a number less than 4 on a six-sided number cube is 4/6. Valeria says that the probability is 3/6. Who is correct? Explain.

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?