Write a number sentence to add 6 tens 21

One canned juice drink is 20% orange juice; another is 10% orange juice. how many liters of each should be mixed together in order to get 10L that is 13% orange juice

What is 7 divided equal 77

AB = 6x DC = x + 15 AD = 9 BC = 3y Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Show that quadrilateral ABCD is a parallelogram by finding the lengths of the opposite side pairs.

What is 18 = n - 18 because I don't understand the question

While taking inventory at her bakery, Ruby noticed that she had 5⁄6 pound of cinnamon yesterday, but now had only 2⁄3 pound. How much more cinnamon did Ruby have yesterday?

Where is the location of the vertex of the parabola on a coordinate grid? y=x^2+2x-3 above the x-axis below the x-axis on the x-asxis on the y-axis

17 46 58 4 8483 in order from least to greatest

The value of one raised to any powers he value of one raised to any power

8n - (3n - 6) = I haven't been able to understand this

According to the National Telecommunication and Information Administration, 56.5% of U. S. households owned a computer in 2001. What is the probability that of three randomly selected U. S. households at least one owned a computer in 2001?