How do you solve this system by substitution. Y = - 5x+3

-x-7y=13

Product A is an 8oz. bottle of cough medicine that sells for 1.36 Product B is a 16 oz. bottle of cough medication that costs 3.20 which product has the lower unit price

Sarah paid for 8 trees to be planted in her yard. Each tree costs $35.99 and she had to pay a one-time maintenance fee of $65.80. What is the total amount she had to pay for the trees to be planted. Question 4 options: $353.72 $814.32 $101.79 $562.

Solve for x in the equation x squared + 2 x + 1 = 17.

Lidia is packing her suitcase in the dark, so as to not wake her little sister. She blindly chooses 2 of her 6 sweaters. What is the probability that she chooses 2 of her favorite sweaters?

A publisher reports that 44% of their readers own a personal computer. A marketing executive wants to test the claim that the percentage is actually different from the reported percentage.

The probability that a train leaves on time is 0.8. The probability that the train arrives on time and leaves on time is 0.24. What is the probability that the train arrives on time, given that it leaves on time? 0.3 0.8 0.16 0.24

A paperback book is shaped like a rectangular prism. The cover of the book measures 5 inches by 8 inches, and the book is 2 inches thick. Calculate the volume of the book.

Mrs. Travis wants to have a clown deliver balloons to her secretary's office. Clowns R Fun charges $ 1.25 per balloon and $ 6 delivery. Singing Balloons charges $ 1.95 per balloon and $ 2 for delivery. What is the minimum number of balloons? Mrs.

2 other decimal forms of 6.7

Describe a general method for deciding which variable to eliminate when using linear combinations. can all systems be solved by linear combinations? Explain