Evaluate 3+n-5*2 for n=4

How to do I explain my answer for ... A dime has the same value as 10 pennies. Marley brought 290 pennies to the bank. How many dimes did Marley get?

The perimeter of a triangle is 27 inches. The second side is 3 inches longer than the first side and the third side is twice as long as the first side. How long is each side?

If f (x) = 1/2+8 what is f (*) when * = 10

What is the equation of a line passing through the origin with a slope of positive one?

Bryan bought 10 daisies and 5 sunflowers. Each daisy cost $2 and each sunflower cost $5. Bryan had $12 left after he made his purchase. How much money did Bryan spend on the flowers? Which info isnt needed to answer this question?

Your macaroni and cheese recipe calls for 1 2/3 cups of milk. You're having company and you need to quadruple the recipe. How much milk will you need?

Math will give medals Which of the following are reasonable answers for the product of two negatives and a positive? 20 10 -20 -10

Ashely walks 2 1/2 miles around a lake around three times a week. If Ashley walks around the lake in 3/4 hour, what is her rate of speed? (Hint: Use the formula r = d/t, where the r is rate, d is distance, and t is time.

Solve for d. h + 4 d = 5b A) d = bh + 5 B) d = h 5b C) d = h + 4 5b D) d = h - 4 5b

Kate jump 225 times in 3 minutes