How to solve this fraction equation

7 1/2+x=-2/5

Jason's dad has 16 ties, and four of them are green. If Jason's dad chose a tie at random, what is the probability that the tie would be green?

What percent of 30 is 13

Which of these best describes π? A>The ratio of the radius of a circle to its diameter b>The ratio of the circumference of a circle to its diameter c>The square root of the area of a circle D>The radius of a circle times 3.14

Leo can only go up 1 or 2 steps at a time. How many different ways can Leo get up 10 step?

What is the number of possible combinations of 14 objects taken 3 at a time? A. 364 B. 1,001 C. 2,184 D. 24,024

Find the LCM of 8, 12, and 16. A. 48 B. 96 C. 192 D. 1536

Make x the subject of v^2=w^2 (a^2-x^2)

In a particular city, taxis charge an initial fee of $3.90 plus $1.60 per mile. How far can a passenger travel for $37.50 ? The passenger can travel nothing miles.

Chen is checking a division problem by doing 152x4 equal to 608 plus 2 which is 610 what problem is chen checking?

Melvin has 1/2 of a cake. He shares the cake equally with each of 2 friends and himself. Show me how u got your answer