If the sum of the digits of a number is divisible by 2, then the original number is also divisible by 2.

Thirty-one is subtracted from a number which has been doubled. The result is the same as eleven subtract the original number.

Calculate the allele frequencies in this population of palm trees. A model consisting of a box containing fourteen, randomly arranged colored circles, and a key to the right of the box.

If the volume of a cylinder 30 cm high 4620cm^3 find radius

There were 480 people at a play. The admission price was $2 for adults and $1 for children. The admission receipts were $800. How many adults and how many children attended?

A store pays $32 for a vase they mark it up by 16% what is the selling price

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?