Wat is the ratio of 7 to 21

Using the equation y=ax^2+bx+c to represent a parabola on a graph, which statement is true? 1) If b is negative, the parabola opens downward 2) If a is negative, the parabola opens upward 3) If a is positive, the parabola open upward 4) If c is

Find the area and circumference of 16.1cm

When two expressions are equal, the number sentence is an equation. Jolie bought 3 hot dogs for $1.59 each and 3 orders of fries for x dollars each. she spent $7.74. What is the cost of one order of fries?

Tom walks 2.84 km to the park. He then walks a further 320 m to the shop. How many km has Tom walked in total?

For vectors u=-6i + 2k and v=7i-4j, find (-3u) * v. A) - 450 B) - 50 C) 108 D) 150 I know how to do these problems, but I am stuck on this question, because I keep finding the answer 118.

What the square root of 16

Seven times the first number plus six times the second number equals 31

What is 7/9 in a decimal

You are filling baskets using 18 green eggs, 36 red eggs and 54 blue eggs. What is the greatest number of baskets that you can fill so that the baskets are identical and there are no eggs left over

What is a word problem for the ratio 10:25 using one of its values?