Lara has four packages of baseball cards. the first package has seventeen cards. the second package has twenty-one cards. the third package has twenty-two cards, and the fourth package has sixteen cards. using front end estimation what is the best estimate for the total number of baseball cards she has?

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.