Victor borrow $21.50 from his mother to go to the builders a week later he paid her $21 and 50 back how much does he still own her

What is y = - 1/4x+4 written in standard form?

a bag contains only red and blue marbles in the ratio of 3 red to 2 blue. if there are 2 red marbles, how many blue marbles are there?

A decision maker subjectively assigned the following probabilities to the four outcomes of an experiment: P (El) = 0.10, P (E2) = 0.15, P (E3) = 0.40, and P (EA) = 0.20 Are these probability assignments valid? Explain. PLE) = 0.15, PLE) = 0.

Which shapes have aleast one right angle

Approximate the logarithm using the properties of logarithms, given the values logb 2 ≈ 0.3562, logb 3 ≈ 0.5646, and logb 5 ≈ 0.8271. Round your result to four decimal places. logb 16/25

Suppose the radius of a circle is 2. What is its circumference? Enter either an exact answer in terms of pi or use 3.14

How many 2-digit numbers can be formed from the digits 1 through 8 if each digit is only used once?

David has some marbles. He gave 2/5 of his marble to his neighbour and 1/6 of the remainder to his friend Ali. He had 25 marbles left. How many marbles did he have at first?

Look at the formula for finding distance. d = rt Which of the following is the formula to find time (t) ? t = d r t = d - r t = r d t = dr

If there are 15 boys in a class of 25 students, what is the ratio of girls to boys in the class