Find the value of the cosine for ZA. A
8 ft
B
C 5 ft
5.189
89
c.
a.
8/89
89
d.
5
b. 489
8
89

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years