Which equation can be used to solve the following word problem?

emilio has 6 more nickels than dimes, and the total value of his coins is $2.10. how many nickels does he have? let n represent the number of nickels.

a: 0.10(n-6)+0.05n=2.10
b:
0.10n+0.05(n+6)=2.10
c: 0.10n+0.05n+6=2.10
d:
0.10(n+6)+0.05n=2.10

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

87.5% , 100% , 83.33 , 93.33% , 100% , 82.5% are all the academic points i've gotten this quarter. what's my final grade?