About how many grams of a 500 g sample of technetium-99 is left after 2 days

From 1970 to 1990, the consumer price index (CPI) increased from 38.8 to 130.7. If a tube of toothpaste cost $0.

Which values are solutions to 90 < - 30p + 15? Check all that apply.

What is £50 in the ratio 1:4

Otis and Andrew each bought a hot dog. Andrew also bought a $3 drink. Write an expression to represent how much they spent if h is the cost of a hot dog

Find the unit rate. Round to the nearest hundredth, if necessary. $4.99 for 19 1b

Simplify: 1 3 (6ab - 9b) 2 3 (9ab 12b)

As a salesperson, Audrey earns $75 per week plus $5 per sale. This week, she wants her pay to be more than $125. Write an inequality for the number of Sales Audrey needs to make. (You do not have to solve here)

Luis says |7| and |-7| are the same number. Danny says |7| and |-7| are different numbers. Mai says |7| and |-7| both equal 0. Akiko says|7| and |-7| combine to make 0. Who is correct? A) Luis B) Mai C) Danny D) Akiko

How do I factor 8v2-8v-448=0?

Raise 4 to the 10th power then find the quotient of the result and h