3x + 7 = - 8 solve need answer

What is the percent of change if 40 is increased to 50?

You have 7.75 in my piggy bank. You decide that you will add 1.25 each week. What is the formula to solve this?

You are building a chair. The plans call for 1/2 inch nails. Your nails are 3/4 inch long. Are your nails too long are too short

A sweater was originally 55$ it is now marked down to 65% of its original price how much is the sweater now

7 + (-14) + (-6) + 13+4=-37

You perform 7 sit ups for every 2 pull ups as a part of an exercise routine. You perform 25 more sit-ups than pull ups. How many sit ups and how many pull ups do you perform I got 32 sit ups and 64 pull ups

The town of Springfield, USA has a population of 9900 people. The population is growing at a rate of 2.3% each year which expression gives the population 7 years from now

If 8 < a < 9, which of the following could be the value of a? A. 221 B. 309 C. 679 D. 801

You put $10,000 in a simple interest account at a bank you will eat 108 just for 4 years what is the annual interest rate for this account

Peter is covering a box to mail. The dimensions of the base are 5 inches by 3 inches and the height is-8 inches. How much paper will he need to totally cover it?