Object A has a momentum of 24kgm/s and hits Object B, which already has a momentum of 15kgm/s. After the collision Object B now has a momentum of 31kgm/s. What must the final momentum of the Object A be?

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?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)

Will mark brainliest! ( explain the answer too, it can be one sentence)