Which of the following statements is true?

a. sin 18° = cos 72°

b. sin 55° = cos 55°

c. sin 72° = cos 189

d. Both a and c.

A student heats 100 g of aluminum to 60°C. He places it in 100 g of water at 20°C. Over time, what will most likely happen? The water's temperature will increase slightly, and the metal's temperature will decrease a lot.

Write integer to best describe the following situation: 6 feet below sea level.

F (2) = 10-X to the third power

A storage locker measures 8 feet wide, 12 feet deep, and 9 feet high. The monthly rental price for the locker is $3.60 per cubic yard. How much does it cost to rent the locker each month?

Shop Rite has jeans on sale for 3/10 off. Save More has jeans on sale for 33% off. Which store has a better deal? Explain.

How do i show the equation 2 minus 3 on a numberline

If f (x) = -3x+1 then f^-1 (x) =

i have three fractions (9/10, 2/3, 2/4), i know that the order from largest to smallest is 9/10, 2/3, 2/4, but how do i actually go about figuring out WHY its in that order without just looking at it or using graphs?

A pilot takes a taxi from the airport to a hotel. The taxi driver charges a $2.50 initial charge plus $2.65 per mile. Which equation can be used to find y, the total cost of the trip, if x represents the number of miles of the trip?

10 times The sum of half a numberand six is eight