2. laura and luis are hosting a fifa world cup finals party and have purchased
dinnerware to represent their favorite teams. lara, a fan of team germany, bought 25
cups and 40 plates with the german flag printed on them. luis, who is rooting for
argentina, bought 20 cups and 35 plates with the argentinian flag printed on them.
laura spent a total of $445.00 and luis spent a total of $380.00.
which of the following systems could represent the situation? select all that apply.

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)

4444444444444 i think

2

step-by-step explanation:

the answer is a) y= 2 csc [0.5 (x+pi/2)]-1

step-by-step explanation: