8 Huda colours each region of the pattern below either red, blue or yellow. She colours regions that touch each other different colours.
She colours the outer region blue. How many regions of the completed
pattern are colored blue?

What is a possible solutions of the x> 3?

If square root x = -7, then x= -49 true or false

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.