NEED ASAP ⚠️⚠️⚠️⚠️ Identify whether each equation has one solution, Infinitely many solutions, or no solution.
1) 1/5f-2/3= -1/5f +2/3
2) -1.7v+2.8=1.4v-3.1v+2.8
3) 2/5z-3/2=5/2z-1
4) 4a-3+2a=7a-2

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

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.