A falling rock produces a force of 250 Newtons from acceleration due to gravity alone. What is the rock's mass in kilograms? Enter your answer rounded to the nearest tenth, such as: 42.5

Give example of a infinite set

The percent of change from 12 to 15

A has 3 times the medals B has. C has 2 times the medals A has. If B has 9 medals, how many medals does C have

Work out the smallest integer value of x that satisfies the inequality 4x-3>22. (I have not learned this question in maths)

Emma's total bill for dinner was $20. The cost of her dessert was 30% of the total bill. What was the cost of her dessert?

Tia has collected 1,005 different types of rocks. she puts the same number of rocks in each of 5 display cases. how many rocks does tia place in each case?

A couple plans to have children until they get a girl, but they agree they will not have more than three children, even if all are boys. Assume that the probability of having a girl is 53.0053.00 %.

Nate has $188 he wants to buy tickets that cost 19 dollars for 6 friend does he have enough money

How many miles are in 20 kilometers? (1 kilometer = 0.621 miles)

What is the solution to 3|-3x + 9| = - 18? x = - 5 x = 5 or x = 1 x = - 5 or x = 1 no solution