Whats the probability of getting a red ace in a deck of cards?

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders