How do I expand this (sin2x)

What is the probability of an event that is certain?

The quadratic function f (x) = -5x^2+5 does the parabola open up or down

H (x) = 2x2 + 26 The fundamental theorem of algebra tells you that this polynomial function has x roots?

What is line of symmetry for y=2lxl

Calculate the mean, median, mode, range, and 5 Number Summary of the following data set: 5,6,8,4,7,5,4,2,5,6,5,2,1,4

Which function below represents exponential decay?ƒ (x) = 0.5 (2) xƒ (x) = 4 (0.25) xƒ (x) = 2 (1.3) xƒ (x) = (-3) x

What is the answer to x=4

Last week Lisa had gross earning of $441.30. Cathy receives a base salary of $375 and a commision on sales exceeding her quota of $5000. What is her rate of commision if her sales were $6560?

What is the area of a rectangle which is 57 cm long and its breadth is 34 cm? One weird question for you to answer, what's my name?

Rearrange the equation so w is the independent variable. -2u+6w = 9