1 - Determine quantos múltiplos de 9 há entre 100 e 1 000. 2 - Determine o 20º elemento e a soma dos termos da seguinte progressão aritmética: (2, 7, 12, 17,...).​

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

What is the value of f(x) = 2.2 for f(-2)?