The laptop screen turns off when the angle between the keyboard and the screen is less than 20°. How many more degrees can the laptop screen close before the screen turns off?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the