The probability that Rajesh will score more than 90 marks in class test is 0.75. What is the probability that Rajesh will secure more than 90 marks in three out of four class tests?

Find the quotient 3/18 divided by 7/21

You are going shopping for some new sweaters, t-shirts, and pants. sweaters (s) cost $28, t-shirts (t) cost $15, and pants (p) cost $18.

Solve the equation. 6.35 + b = 9.89

What is 2+2+800+9000

Russell ate several candies on Halloween, and each day after Halloween ate 6 fewer candies than the day before. His candies lasted exactly five days, and he ate 100 candies in total. How many did he eat on the third day?

Solve the inequality k+8-2 (k-12) >0

The sum of three consecutive odd numbers is 123 what is the smallest of the three numbers

Fully Factorise 5k^2+7k

Yesterday, Bethany sent 60 text messages. She said that 15% of those messages were to her best friend. How many texts messages did Bethany send to her friend yesterday?

Solve the equation 9x² - 29x - 28 = 0 Give your answers to 2 decimal places when appropriate