John's cell phone gives him 1250 minutes for $25. he used 1300 minutes. how much will his cell phone company bill him for?

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?

Cuántos triángulos forman un diamante