Sonji has $5.25 in nickels and dimes. The coin value can modeled by the equation 0.10+0.05n=5.25, where d represents the number of dimes and n represents the number of nickels. If sonji has 21 dimes, how many nickels does she have?

What's 4.3 rounded to the nearest tenth

A) Between x 2 and x 3, which function has a greater average rate of change than f (x) = 1/6^-x

A street vendor sells two types of newspapers, one for $.25 and the other for $.40. If she sold 100 newspapers for $28.00, how many newspapers did she sell at $.25?

Of 100 electrical relays produced at a factory, 3 are defective. if a customer purchases 7 of these relays, what is the probability that less than 3 are defective?

How do you turn 37.5 into a fraction

Oman said that it is impossible to raise a number to the power of 2 and get a value less than the original number. do you agree

Tim Worker is doing his budget. He discovers that the average miscellaneous expense is $45.00 with a standard deviation of $16.00. What percent of his expense in this category would he expect to fall between $38.60 and $57.80? The z for $38.

Two numbers have a sum of 15 and one is of the other. Find the numbers.

A water bottle that holds 241/2 oz of water is 3/5 full. Is there enough water in the bottle to fill 3 glasses with 5 oz each? Explain your answer.

What is 946 divided by 78