What does "equivalent" mean in math?

Second street bank charges an overdraft fee of $35.00 for insuficient funds transactiond. Malcom's check register showed up balance of $386.49. he had withdrawals of $250.00,$ 36.21, and $94.30.

In 36 years Adam's age will be 2.5 times his current age. How many years old is he now

Twice one number is 20 more than another number. One fourth the first number is 2 less than one fourth the second number. Find the numbers.

Solve the equation by factoring. 2x2 = 28 - x x = - 3.5 or x = 4 x = 2 or x = - 7 x = - 2 or x = 7 x = - 4 or x = 3.5

Which expression is equivalent to the one below? 9 divided by 13 A.) 9•1/3 B.) 13•1/9 C.) 117 D.) 13/9

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.