PLZ PLZ PLZ WILL GIVE BRAINLIEST AND EXTRA POINTS HLLLP PLZ NO GO. OGLE! Give a written explanation for how to find the quotient of each of the problems listed below using one of the following methods: group counting, a picture model, or an area model. Do not use the same method for both of the problems.

1. 48 divided by 4

2. 54 divided by 6

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

What is negative 3/9 times negative 2/8 ?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?