With 42 and 45 i need it due tomorrow

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

Ana drinks chocolate milk out of glasses that each holdof a liter. she has of a liter of chocolate milk in her refrigerator. 10 how many glasses of chocolate milk can she pour?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read