2*+y=0, * - y=6 what is the solution to this system of equations?

Based on the information marked in the diagram, PQR and STU must be congruent.

Sophie is eating a 50-gram chocolate bar which contains 30% of coca. How many grams of coca are in the chocolate bar?

The number of pupils in a school increases at the rate of of 5% per annum. When the school opened there were 200 pupils on the roll. How many pupils will there be in the school on the 10th anniversary of the opening.

What is the difference between the mean and the median of the data set? (22,8 10,18,12, 20)

The regular price for a pair of shoes is $48. The store is having a buy one get one 1/2off sale. If yoy buy 2 pairs of shoes for that price what percent discount is that

The length of the radius of a bicycle wheel is 13 inches. Which of the following is closest to the distance the wheel will travel in three revolutions? 234 inches 39 inches 78 inches 117 inches

X+6y/12x^3 + x+2y/12x^3

Find the prime factorization of the number 560

There are 6 roses, 8 carnations, and 12 tulips. Write the ratio of carnations to all flowers in all three forms (simplify first, then write in all three forms).

When table sugar is burned in air, carbon dioxide and water vapor are products, as shown by the following unbalaned chemical equation: C12H22O11 (s) + O2 (g) = CO2 (g) + H2O (g)