Factor the expression 77x+21=

Find the first four positive values of arccos (0.7). I know how to get the first, but as for the rest, I am lost.

Last year, my parents had a combined income of $ 50 comma 000$50,000. They paid $ 13 comma 000$13,000 in federal income taxes. What fraction shows how much my parents spent on their federal taxes?

How do you say 4.110 in word form

During a snowy day, it snowed lightly for a while, stopped for a while, snowed heavily, and then stopped. Which graph represents this situation?

What is the hardest math question

If f (12) = 100 (0.50) ^12, which expression gives f (x) ? A) f (x) = 0.50x B) f (x) = 100x C) f (x) = 100 (x) ^12 D) f (x) = 100 (0.50) ^x

One week a company Filled 546 boxes of Widgets each box held 38 widgets How many widgets did the company packed in boxes that week

The length of a rectangle is 6m longer than its width. If the perimeter of the rectangle is 52m, find its area

Find the LCM of 10 and 15

A company makes two similar cylindrical containers. The total surface area of the smaller container is 0.81 times that of the larger container. The height of the larger container is 60 cm. What is the height of the smaller container?