How do you get 40y from the difference of 2 squares with the problem (5y+4+3x) (5y+4-3x) ? I understand distribution method. I don't know where the 40y comes from using the special product method.

Is 5/6 & 5/7 less than 5/8

The amount of soda dispensing machine pours into a can of soda is normally distributedwith a mean of 12 ounces and a standard deviation of 0.2 ounce. Find the probability that a can contains less than 11.75 ounces of soda.

The area of the sector of a circle with the radius of 8 cm is 125.6 sq cm the estimate value 3.14 what is the angle of the sector

Use what you know about decimals or fractions to explain why (0.2) ⋅ (0.002) = 0.0004.

Х = 2y - 4 (3 х - бу = - 12

What are the dimensions of the matrix? [9 - 4 19 41 0] [11 6 - 2 25 13] 1.) 1x10 2.) 2x5 3.) 10x1 4.) 5x2

First let's go on a trip! You come into some money and decide to go to Canada where the exchange rate is 1.45 Canadian dollars to 1 US dollar. You have $10000 US to take with you. What is the equivalent value in Canadian dollars?

How do you know if a rate of change is positive or negative?

What is the total are of 3/4 multiplied by 3/4?

Nina knows that the average of the x-intercepts represents the line of symmetry for a quadratic function through the x-axis. Which equation represents the average of the x-intercepts for f (x) = 4x2 - 24x + 20?