Work out 2.9 cos 17° rounded to 2 d. p.

Divide. write in simplest form 41/6 divided by 10

Hundred and tens tables to make 430 in five different ways

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters