when the sum of 297 and four times a positive number is subtracted of the number, the result is 140 find the number

1. a) The time for a swing to move forward and backwards can be determined by the formula: T =2π√(L/9.8) T[..]

A person does a bungee jump. The cord reaches it's full extension; the person bounces up and then stretches the cord[..]

Laura's house has a roof with a width of 9√(2)m and a height of 5√(3)m. Determine the pitch of the roof in simplest[..]

Sam invested a total of $10,000, part at 8% and the rest at 3%. How much was invested at 8% if he earned a total of[..]

a manufacturer makes 50-cm lengths of steel pipe.A pipe uses 400 cm ^3 of steel and has an inner radius of 2 cm.[..]

If you pay 675$ for 15 tires, how much would you pay for 20 tires?

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Alex purchased a new suit discounted by 65%. He paid $35.80 for the suit. What was the original price?

Charlie wants to make a one-time investment in an account that earns 4% interest compounded quarterly. To earn[..]