Which expression can be used to determine 50% of 42?

42 - 2

42 / 2

42 / 10

42 - 10

In science class, Sara needed 8 test tubes for different experiments. The first experiment required 2 test tubes and the other two experiments required the same number of test tubes. How many test tubes were needed for each of other two experiments?

He writes the expression 3 over 4 (27). Which change in Carey's expression will lead him to the correct answer?

The dimensions of a rectangle are such that its length is 3 inches more that its width. If the length and width were decreased by 1 inch, the area would be increased by 150inch sq. what are the length and width of the rectangle?

What is the probability of getting either a sum of 5 or at least one 6 in the roll of a pair of dice?

Write the sentence as absolute inequality: a number n is more than 9 units from3

The store has CD's and DVD's that you need. How many packs of DVD's can you buy with 105 dollars if one pack costs 15 dollars? Which operation would you use to solve the problem?

The parent function is f (x) = 2^x-6+3 and the new function is g (x) = 2^x - 3+2. How does the graph change from f (x) to g (x) ? Select each correct answer. The graph is shifted 3 units right. The graph is shifted 1 unit up.

To find the quotient 2/5 : 1/4 i will give brainliest

What is the gcf and lcm of 24 and 60

For each 90mm of coloured fabric Paul uses to make his curtains, he also uses 10cm of white fabric. Express the amount of white fabric to coloured fabric as a ratio in its simplest form