Heathers age is 3 years more than one half her cousin rachels age. if the difference in their ages is less than 4 years, what is the oldest that rachel can be in years?

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

What is the length of the segment, endpoints of which are intersections of parabolas y=x^2− 11/4 x− 7/4 and y=− 7 /8 x^2+x+ 31/8 ?

What is the mean of the data set 125, 141, 213, 155, 281