Tanya’s age is 1/6 of her great grandfather’s age. If you insert a zero in the digits of her age then it is her great grandfather’s age. How old is Tanya.

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points