Evaluate 5 (a - 2b) when a = - 3 and b = 5.

65

35

-65

-25

Qué capital al 4.5 % durante 5 meses produce un interés de $ 120.

Which products in a difference of squares?

Which mathematical operation is represented by the number sentence 45 : 9 = 5?

Bobby worked 7.25 hours and Jimmy worked 6.75 hours. If Bobby made $8.25 per hour and Jimmy made $7.50 per hour, what was the total amount of money earned?

You would like to make orange juice for the Queen of Canada but her tastes are very particular. She requires 400mL of orange juice, but it has to be the correct concentration, which is 23% concentrate.

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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.