Aclass had 30 pupils at the beginning of this school term, but now has 5 more pupils. what is the percent of increase?

Describe how fraction strips can you order fractions

The perimeter of a triangle is 69 cm. the first is 5 cm shorter than the second side. the third side is twice as long the first side. find the length of each side

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.