Helen is 8 years older than Jane. Twenty years ago Helen was three times as old as Jane. How old is each now?

If Jane's current age is x, the equation will be [ equation ]

Helen is [ ]

years old. Jane is [ ]

years old.

How many edges does a rectanglar prism have?

The function, f (x) = 70n-400, models the profit the instructor of guitar class per month, where n is the number of students enrolled in the class. How many students must be enrolled in the class for the instructor to make a profit?

The angles of a triangle form an arithmetic sequence of the smallest angle measures 36 degrees what is the largest angle

Alyssa and Elijah are classmates who received the same homework assignment. Alyssa spent 45 minutes on the assignment, and Elijah spent 2 hours.

1. f (x) = x? - 8x + 17

If two positive integers p and q are written as p = a^2b^3 and q = a^3b, where a and b are integers, then show that LCM (p, q) * HCF (p, q) = pq

If the original distribution of x values is known to be normal, do we need to make any restriction about sample size in order to claim that the distribution of sample means x taken from random samples of a given size is normal?

What is 4 1/2 divided by 7 1/3 and multiplied by 1 3/5?

Is - 130 closer to 121 or 144

What is the of 2yd 3yd 16yd 2yd 8yd