Elisa is 9 years old. When 7 is subtracted from Krista's age and 1/4 of the difference is taken, the result is equal to Elisa's age. How old is Krista?

clay learned that solids have a definite shape. now he measured the mass of a bead. the bead has a mass of 10 grams. he estimates that 10 beads will have a mass of 1 kilogram. is he correct. explain

What is the relationship between the 6's in the value of 660,472

How do you simplify 12A+2A+A-1

What number must you add to complete square? x2+10x=8 answers A. 10 B. 15 C. 25 D. 5

Erica make a banner with 4 sheets of paper each paper measure 9 inches by 10 inches what is the total area of Erica banner?

Write a rule that represents the function. The ordered pairs are (0,0) (1,0.5) (2,2) (3,4.5) (4,8)

What is 9:630 and can you explain and show your work?

What is the interest earned on $400 invested at the rate of 6% for one year?

How many solutions are to 2x - 5y=17 6x-15y=51

What does it mean if a quotient is undefined? (1.5/2.4) ?