Estimate 12.56+12.69 using front-end estimation.

a. about $25.30

b. about $26.30

c. about $26.80

d. about $23.80

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet