Which of the following is a perfect square?

A. 169

B. 279

C. 154

D. 115

Which statement about 1.23 : 0.15 is true A. the dividend should become 15 B. the divisor is a whole number C. the quotient does not have a hundredths place

Any number that is divisible by 2 is also divisible by 8. Find a counterexample to show that the conjecture is false. 24 32 28 16

A company manufactures light bulbs. The lifetime for these bulbs is 4,000 hours with a standard deviation of 200 hrs. What lifetime should the company promote for these bulbs, so that only 2% of them burnout before the claimed lifetime?

A rock band has made souvenir T-shirts to sell at their concert and hopes to bring in at least $140 from the sale of the shirts. They make $4 for each adult T-shirt and $2 for every child T-shirt. I have to write a linear equation

2. A highway makes an angle of 6 with the horizontal. This angle is maintained for a horizontal distance of 5 miles.

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.