Penny solved an equation by subtracting 6 from each side of the equation and then divided each side by 5. Which of these could have been the equation Penny solved?
A. 1/5x+6=11 B. 5x-6=11
C. 5x+6=21 D.6x+5=17

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

The area of square garden is 300m squared. how long is the diagonal?