How do you substitute x+2y=-7 and 3x-4y=-1

Both the exponential function and its argument must be dimensionless. the given equation seems to violate both of these rules, and yet the equation is valid. explain this paradox

The CDC reported in 2012 that 1 in 88 American children had been diagnosed with an autism spectrum disorder (ASD). a. If a random sample of 300 children is selected, let X be the number of these children who have been diagnosed with ASD.

Every day, the number of traffic accidents has the probability mass function x 0 1 2 more than 2 P (x) 0.6 0.2 0.2 0 independently of other days. What is the probability that there are more accidents on Friday than on Thursday?

How many seconds equal 3.6 hours?

the sale price of a sweater was $36. it had been marked down 30%. what was the sweater, s original price

Shane bought lunch for $5.38 and a shirt for $15.95. He then used the rest of his money to buy a book. He spent a total of $38.12. How much money did Shane spend on the book?

If j have 24,000 dollars and i invest in 15% of my moneg what would be my avarege money left

What is the greatest whole number that is less than (5/2) * 3 * / (3/4) * 2

I'm thinking of a number. When you triple my number and subtract 8 you get 7. What is my number?

Is 100 a solution because it is much greater than 35. True or false