Is 1.987987 a irrational number

find the slope of a line that is parallel to the line - 0.75 x minus y equal 3 the slope of a parallel line is

If a triangle had 2 acute angles, but one obtuse, would that make it a acute triangle?

An internet search engine looks for a keyword in 9 databases, searching them in a random order. Only 5 of these databases contain the given keyword. Find the probability that it will be found in at least 2 of the first 4 searched databases.

Which of the following is not permitted when solving a system of linear equations using matrices? interchange rows interchange columns multiply a row by a constant

Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent. 4x+3y=1 6x-1y=-15

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.