Heidi is saving for a new bike. She has already saved $57. If Heidi earns $9 per hour babysitting, how many hours does she need to babysit to afford the bike which costs $129? Write and solve a linear equation.

Ben wants to play a carnival game that costs $2. in his pocket he has 5 red tickets worth 35 cents each, and 15 blue tickets worth 10 cents each. which of the following systems of inequalities correctly represents the constraints on the variables in this problem? let represent the red tickets and b represent the blue tickets.

Find the value of the cosine for angle a

Yosef can eat 21 jamuns while rose can eat just 15 . complete the blank. yosef can eat % more jamuns than rose.