How many protons are in an element with an atomic number of 8 and a mass number of 18?

a. 8

b. 10

c. 18

d. 3

Kamila had 2kg of meat. She used 3/10 of it to cook curry and 1/2 of the remainder to cook soup A) How much meat did she use to cook curry? Give your answer in kilograms. B) How many grams of meat had she left

Which set of side lengths form a right triangle A: 14m, 20m, 25m B: 10cm, 6cm, 8cm C: 7cm, 8cm, 10cm D: 3ft, 6ft, 5ft

Mr. Smith has a honeybee colony on his farm. On average, 1,000 bees can gather enough nectar for 1 ounce of honey each day. If Mr. Smith wants his bees to produce 3.5 pounds of honey each week, how many bees will he need in his bee colony?

if you deposit $10000 at 11% (simple interest), how long will it be until the total amount in the account is $21000?

Suppose that $2000 is loaned at a rate of 20%, compounded semiannually. assuming that no payments are made, find the amount owed after 8 years

F (x) = 2x + 7 and f (x) = - 1.

In Dale's cooler there are 9 bottles of soda and 6 bottles of water. Dale is going to choose 8 bottles at random from the cooler to give to his friends.

last year the attendance at the homecoming football game was 300. This year, 360 attended What was the percent increase from last year to this year?

At closing time, the bakery had 2 1/4 apple pie and 1 1/2 cherry pies left. How much more apple pie than cherry pie was left?

Compare 3 7/8 ___ 3 5/6