Apizza restaurant offers 21 different toppings how many 5 toppings pizzas can be created if each topping can be used only once

Evaluate the expression. (9 + 5)(3 + 2)0

What is the circumference of the pie

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!