Harry wants to buy some ice cream for his friends and himself. At the ice cream parlor, one icecream costs $3.99. Which expression below could you use to compute the cost of 4 icecreams? A. 4( $4.00) - 4($0.01)
B. 4($4.00) - 4 ( $0.99)
C. 4( $4.00) + 4($0.01)
D.4 ($4.00) + 4($0.99)

Which best explains why this triangle is or is not a right triangle?

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

In δabc shown below, ∠bac is congruent to ∠bca: triangle abc, where angles a and c are congruent given: base ∠bac and ∠acb are congruent. prove: δabc is an isosceles triangle. when completed (fill in the blanks), the following paragraph proves that line segment ab is congruent to line segment bc making δabc an isosceles triangle. (4 points) construct a perpendicular bisector from point b to line segment ac . label the point of intersection between this perpendicular bisector and line segment ac as point d: m∠bda and m∠bdc is 90° by the definition of a perpendicular bisector. ∠bda is congruent to ∠bdc by the definition of congruent angles. line segment ad is congruent to line segment dc by by the definition of a perpendicular bisector. δbad is congruent to δbcd by the line segment ab is congruent to line segment bc because consequently, δabc is isosceles by definition of an isosceles triangle. 1. corresponding parts of congruent triangles are congruent (cpctc) 2. the definition of a perpendicular bisector 1. the definition of a perpendicular bisector 2. the definition of congruent angles 1. the definition of congruent angles 2. the definition of a perpendicular bisector 1. angle-side-angle (asa) postulate 2. corresponding parts of congruent triangles are congruent (cpctc)