Find the 18th term as well as the sum of the 1st twenty three terms of each of the following arithmetic sequences:
a) 4; 7; 10; …………….
b) -15; -8; -1; …………

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

What could explain what happened when the time was equal to 120 minutes

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4