K+29=9k-4 what is the variable

When you owe money, you have a negative balance. You owe $200 to your bank. You pay $30 back. What is your new bank balance?

The digits 2, 3, 4, 5, 6, 7, 8 and 9 are randomly arranged to form a three-digit number. (Digits are not repeted.) find the probablity that the number is even and freater than 900.

A juggler throws a ball into the air, releasing it 5 feet above ground with an initial velocity if 15 fps. she catches the ball in thr other hand 5 feet above the ground. How long was the ball in the air?

Alicia was rock climbing. She climbed to a height of 30 ft. Next, she climbed down 18 ft. Finally she climbed up another 55 ft.

2n+2=16 find the value of the variable in each question

Ritchie wants to paint paint his bedroom ceiling and four walls. Both the ceiling and walls are 8 feet by 8 feet. A gallon of paint covers 40 squares feet. which expression can be used to find the # of gallons of paint Ritchie needs to buy?

What is bigger 4/5 or 5/6

If the probability that an event will happen is 5/13, then the probability that will not happen is? a) 5/13 b) 7/13 c) 8/13 d) 10/13

8 Cakes cost £4.00 how much 3 cakes cost?

A tree is 14 feet tall. it casts a shadow 20 feet long. if nearby building casts a shadow 15 feet long, how tall is the building