What is the decimal multiplier to decrease by 40%?

I would be grateful if somebody could explain how this is calculated

If x = - 3, then x2 - 7x 10 equals

Shawn open a new bank account with $250 he receive for his birthday. Each month after that Shawn will add $25 to his account. How much money will Shawn have at five months? How long will it take for Shawn to save $1000?

Along with the flowers, Maggie bought 4 packages of balloons and 2 packages of plant food. The packages of balloons cost $3.59 each and the total sales tax was$1.34. The total amount she paid was $32.09, including sales tax.

How can you find the area of an irregular polygon using area formulas?

What is 10.5 centimeters in millimeters

What does the equation y = x2 represent as a curve in the set of real numbers2?

The printer charges $4 per book to print it, and you spent $3500 on advertising. you sell the book for $15 a copy. How many copies must you sell so that your income from sales is greater than your total cost?

A roller coaster can accommodate 346 rider in 20 minutes. How many riders could ride in 90 minutes?

You have $12 to buy five goldfish for your new fish tank. Write and solve an inequality that represents the prices you can pay per fish.

Adam has 16.45 kg of flour, and he uses 6.4 kg to make hot cross buns. The remaining flour is exactly enough to make 15 batches of scones. How much flour, on kg, will be in each batch of scomes?