Here are some numbers. 11,14,16,21,28,40,11,16,21

is an arithmetic progression and the rule is to add 5.

Use three of the numbers to make a different arithmetic progression.
Describe the rule.

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

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