Jackie wants to earn $380 this summer by babysitting and dog walking. She earns $40 each time she babysits and $25 each time she walks dogs. This situation can be represented by the equation 40x + 25y = 380. Use the equation to determine whether or not Jackie will earn $380 if she babysits 7 times and walks dogs 4 times. Complete the justification of your answer.

add an !

step-by-step explanation:

which expression represents the approximate length of bc?

step-by-step explanation:

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

here is a big fat