Supposed that the functions g and h are defined for all real numbers x as follows. g(x) = 2x+1
h(x) = 5x
write the expressions for (g-h)(x) and (g+h)(x) and evaluate (g. h)(-2).

Anumber cube is rolled two times in a row. find the probability it will land on 2 on the first roll and a number greater then 4 on the second roll

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Which angle of rotation is an angle of rotational symmetry for all figures?