Sue has a balance of $35 in her checking account. she writes one check for $10, and three checks for $9 each. what is her balance now?
a. $54
b. $18
c. –$2
d. –$11

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

Atransformation was performed on rectangle c as shown in the graph. what type of transformation was performed? does that transformation result in congruent shapes? you people