Rico is estimating 139x18. find his mistake and correct it 100x10=1000

A bag contains 5 red balls and 5 blue balls. how many ways can we pick 3 red balls and 2 blue balls from this bag?

What is 14.1421356237 rounded to 0.05?

Two friends, 7 miles apart, start walking toward each other, and they meet in an hour. If one boy walks 1 mile farther in an hour than the other boy, how fast does each walk?

Who needs Brainliest? SHOW YOUR WORK since i need to do so The question is what is 100^ 1/20x2x40x1000000/2=

The cost for children under twelve at a certain buffet restaurant is a base charge of a dollar plus twenty-five cents for each year of the child's age. Represent this cost as an expression, using y to stand for the child's age in years.

Given a quadratic function, f (x) = ax 2 + bx + c has a positive leading coefficient and the vertex that has a y-coordinate of zero. Determine the number of real zeros of the function.

Factor the expression 36a+27+90d 35g+50 18u+81 I know it's a lot I'm sorry

Seth made 5 identical birdhouses in 4hours what fraction of an hour did it take Seth to make one birdhouse

56 1/4 as an improper fraction

You choose a card from a standard deck cards at random. What's the probability that you don't choose an ace? Explain.