There are 25 nickels and dimes worth $2.15. you are asked to find how many of each there are. which is a reasonable answer?

a) 7 nickels and 18 dimes
eliminate
b) 9 nickels and 18 dimes
c) 11 nickels and 16 dimes
d) 13 nickels and 15 dimes

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

Which data set has a greater spread? why? set a: {38, 12, 23, 48, 55, 16, 18} set b: {44, 13, 24, 12, 56} has a greater spread because .

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point