A=4b-15 a and b have to add up to 90 so whats the answer?

What is the angle created by a tangent and the radius of a circle? A) 30° B) 45° C) 60° D) 90°

Suppose you deposit $500 in a bank account that pays 8% annual simple interest. Find the interest earned after 3 years.

In 1990, a VHR player cost $50. Today a VHR player cost $12. What is the percent decrease?

Factoring Polynomials (GCF) 3xy - 8x^2y

Jonah is going to the store to buy candles. Small candles cost 3.50 and large candles cost 5.00. He needs to buy at least 20 candles and he can't spend more than 80 dollars. Write a systems of linear inequalities that represents the situation.

Hopelessromanti Give the angle measure represented by 100 rotations clockwise A) 35999 degrees B) 36001 degrees C) - 36003 degrees D) - 36000 degrees

What is the value of n? 9*27+2*31-28=

Each year, Malcolm earns 120 hours of vacation time at his job. There are 52 weeks in a year. What is the approximate numbers of hours of vacation time that Malcolm make each week.

Five minutes after midnight of 25 April 2016 there was a heavy rain in Adelaide. 144 hours later, what is the probability that it would be sunny over there? Justify your answer.

trudy swam 8 laps in a swimming pool. her coach swam 48 laps. what is the greatest factor that will divide into both 8 and 48 without a remainder?