Kyra needs to buy 6 pens and some colored pencils for school. He has $25.00 to spend. If the pens cost $3.50 each, how much does he have left to spend on colored pencils?

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl