Sophie Ruth is eating a 50 gram chocolate bar which contains 30% of cocoa. How many grams of coco are in the chocolate bar?

Subtract. Simplify the answer 8/9-1/2=

Three times one number minus another number equals 34. If the sum of the numbers is 22, what are the two numbers?

Assume that adults have iq scores that are normally distributed with a mean of 100 and a standard deviation of 20. if all iq scores are converted to z-scores, what would the mean and standard deviation of all z scores be

For an annual rate of change of - 31%, find the corresponding growth or decay factor 0.31 1.31 0.69 1.69

A savings accouny has 50 dollars in it at the start of the year and 20 dollars is deposited each week. After x weeks, there are y dollars in the account.

At lunchtime 5/6 of students buy juice. Of those students 3/4 buy orange juice. What fraction of the students buy orange juice?

Round 224.91 to the nearest whole number do not add extra zeros

What is the value of the expression below when a is 3, b is 25, and c is 5? 1/2 (3a + 4b + c) - (c2 + 5a)

What is the order of rotational symmetry of a kite? A) 0 B) 1 C) 2 D) 4

Can you write an expression for 5x5x5x5