Prove or disprove that if a and b are rational numbers, then ab is also rational.

X^2+8x+28=0 using completing the square method

In triangle ABC, if AC is congruent to CB, angle A = 3x + 18, angle B = 7x - 58, & angle C = 2x - 8, find x & the measure of each angle.

A culture of yeast grows at a rate proportional to its size. If the initial population is 2000 cells and it doubles after 2 hours, answer the following questions. 1. Write an expression for the number of yeast cells after t hours. Answer: P (t) = 2.

A total of 369 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student tickets sold was two times the number of adult tickets sold. How many adult tickets were sold

How do I solve 4^-3?

Cuales de las expresiones son equivalentes a 2 (4f+2g) ?

Mari has a part time job. She earns $7 an hour. She makes at most $143.50 a week. What is the greatest number of hours she can work

What is the value of xin the figure below? In this diagram, ABD - CAD. A-16 B-8

Is the number prime or composite 39 and 47

Why should you place a cover slip over your specimen at a 45 degree angle when making a wet mount slide?