6. over what interval is the graph of y = -2 + ix – 21 increasing?
a (2,00)
c (-0, -2)
b (-0,2
d (-2,00)

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Country carpets charges $22 per square yard for carpeting, and an additional installation fee of $100. city carpets charges $25 per square yard for the same carpeting, and an additional installation fee of $70

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day