To make a shelf to display her teapot collection, amina bought wood and nails. each yard of wood costs $27 and each box of nails cost $4. she bought 6 fewer boxes of nails than yards of wood. use this information for number 21 and 22. 21. let x represent the number of yards of wood that amina bought. which expression could amina use to represent the number of boxes of nails that she bought? a. x b. 4 c. x - 6 d. x + 6 22. amina's total cost was $193. how many boxes of nails did she buy?

Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.