How to count the number of nodes in a binary tree

The sum of two numbers is 70. the first number is 2/5 of the second number. What are the numbers? What is the smaller of the two numbers? What is the larger number of the two numbers?

The longer leg of a right triangle is 4 more than twice the shorter leg. The hypotenuse is 4 less than three times the short leg. What is the value of the hypotenuse?

A food safety inspector is called upon to investigate a restaurant with a few customer reports of poor sanitation practices. The food safety inspector uses a hypothesis testing framework to evaluate whether regulations are not being met.

The weight limit of an elevator is 2,200 pounds. Michelle is solving an inequality to determine how many 40-pound boxes she can safely bring in the elevator with her if she weighs 110 pounds and has a 10-pound push cart.

Mr. Jones makes house payments of $578.85 each month. How much does Mr. Jones spend on house payments in 12 months?

The perimeter of the rectangular playing field is 592 yards. the length of the field is 4 yards less than quadruple the width. what are the dimensions of the playing field?

How much will you save if you buy an item listed at $575,50 at a 30 percent discount? A. $172.65 B. $176.25 C. $185.63

How to simplify 3t (t-5) + 6t 2

Simplify each expression. Use the distributive property to remove any parentheses. - 7 (y+5)

What is the volume of this rectangular prism? 10/3 cm 4/5 cm 1/5 cm